Volume 57, Issue 2 pp. 498-507
ORIGINAL ARTICLE

A multicenter retrospective study of clinical features, laboratory characteristics, and outcomes of 166 hospitalized children with coronavirus disease 2019 (COVID-19): A preliminary report from Iranian Network for Research in Viral Diseases (INRVD)

Iraj Sedighi MD

Iraj Sedighi MD

Department of Pediatric, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran

Iranian Network for Research in Viral Diseases (INRVD)

Contribution: Methodology (equal), Supervision (equal)

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Alireza Fahimzad MD, PhD

Alireza Fahimzad MD, PhD

Iranian Network for Research in Viral Diseases (INRVD)

Pediatric Infectious Diseases Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal), Methodology (equal)

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Neda Pak MD

Neda Pak MD

Iranian Network for Research in Viral Diseases (INRVD)

Children Medical Centre of Excellence, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Mitra Khalili MD

Mitra Khalili MD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Radiology, Mofid Children Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Mohammad R. Shokrollahi MD

Mohammad R. Shokrollahi MD

Iranian Network for Research in Viral Diseases (INRVD)

Pediatric Medicine Research Center, Qom University of Medical Sciences, Qom, Iran

Contribution: Data curation (equal)

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Hosein Heydari MD

Hosein Heydari MD

Iranian Network for Research in Viral Diseases (INRVD)

Pediatric Medicine Research Center, Qom University of Medical Sciences, Qom, Iran

Contribution: Data curation (equal)

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Zahra Movahedi MD

Zahra Movahedi MD

Iranian Network for Research in Viral Diseases (INRVD)

Pediatric Medicine Research Center, Qom University of Medical Sciences, Qom, Iran

Contribution: Data curation (equal)

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Anahita S. Dashti MD

Anahita S. Dashti MD

Iranian Network for Research in Viral Diseases (INRVD)

Alborzi Clinical Microbiology Research Center, Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran

Contribution: Data curation (equal)

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Fatemeh Cheraghali MD

Fatemeh Cheraghali MD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Pediatric, Faculty of Medicine, Golestan University of Medical Sciences, Gorgan, Iran

Contribution: Data curation (equal)

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Ahmad Shamsizadeh MD

Ahmad Shamsizadeh MD

Iranian Network for Research in Viral Diseases (INRVD)

Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran

Contribution: Data curation (equal)

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Mohammadreza Mirkarimi MD

Mohammadreza Mirkarimi MD

Iranian Network for Research in Viral Diseases (INRVD)

Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran

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Mohsen Alisamir MD

Mohsen Alisamir MD

Iranian Network for Research in Viral Diseases (INRVD)

Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran

Contribution: Data curation (equal)

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Houman Hashemian MD

Houman Hashemian MD

Iranian Network for Research in Viral Diseases (INRVD)

Pediatric Diseases Research Center, Guilan University of Medical Sciences, Rasht, Iran

Contribution: Data curation (equal)

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Jafar Soltani MD

Jafar Soltani MD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Pediatrics, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran

Contribution: Data curation (equal)

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Ali Hosseininasab MD

Ali Hosseininasab MD

Iranian Network for Research in Viral Diseases (INRVD)

Infectious and Tropical Research Center, Kerman University of Medical Sciences, Kerman, Iran

Contribution: Data curation (equal)

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Abdolkarim Hamedi MD

Abdolkarim Hamedi MD

Iranian Network for Research in Viral Diseases (INRVD)

Infection Control Hand and Hygiene Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

Contribution: Data curation (equal)

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Mohammad S. Rezai MD

Mohammad S. Rezai MD

Iranian Network for Research in Viral Diseases (INRVD)

Pediatric Infectious Diseases Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran

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Shirin Sayyahfar MD

Shirin Sayyahfar MD

Iranian Network for Research in Viral Diseases (INRVD)

Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Manijeh Kahbazi MD

Manijeh Kahbazi MD

Iranian Network for Research in Viral Diseases (INRVD)

Infectious Diseases Research Center (IDRC), Arak University of Medical Sciences, Arak, Iran

Contribution: Data curation (equal)

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Aliakbar Abedini MD

Aliakbar Abedini MD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Pediatric Infectious Disease, Faculty of Medicine, Children, Clinical Research Development Center, Tabriz University of Medical Sciences, Tabriz, Iran

Contribution: Data curation (equal)

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Afsaneh Akhondzadeh MD

Afsaneh Akhondzadeh MD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Pediatrics, Arak University of Medical Sciences, Arak, Iran

Contribution: Data curation (equal)

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Hamid R. Sherkatolabbasieh MD

Hamid R. Sherkatolabbasieh MD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Pediatrics, Lorestan University of medical Sciences, Khorramabad, Iran

Contribution: Data curation (equal)

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Ali Akbar Razlansari MD

Ali Akbar Razlansari MD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Pediatrics, Lorestan University of medical Sciences, Khorramabad, Iran

Contribution: Data curation (equal)

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Mina Alibeik MD

Mina Alibeik MD

Iranian Network for Research in Viral Diseases (INRVD)

Pediatric Infectious Diseases Research Center, Mofid Children Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Soheil Omid Malayeri Bs

Soheil Omid Malayeri Bs

Iranian Network for Research in Viral Diseases (INRVD)

Health Clinical Sciences Research Center, Zahedan Branch, Islamic Azad University, Zahedan, Iran

Contribution: Data curation (equal)

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Zohreh Shalchi MD

Zohreh Shalchi MD

Department of Pediatric, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran

Iranian Network for Research in Viral Diseases (INRVD)

Contribution: Data curation (equal)

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Ali Shahabinezhad MS

Ali Shahabinezhad MS

Iranian Network for Research in Viral Diseases (INRVD)

Joint Reconstruction Research Center, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Parinaz K. Asl MS

Parinaz K. Asl MS

Iranian Network for Research in Viral Diseases (INRVD)

International Branch, Golestsn University of Medical Sciences, Gorgan, Iran

Contribution: Validation (equal)

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Fatemeh N. Monfared MS

Fatemeh N. Monfared MS

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Validation (equal)

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Shiva Maleki MS

Shiva Maleki MS

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran

Contribution: Validation (equal)

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Rezvan Kakavand PhD

Rezvan Kakavand PhD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran

Contribution: Validation (equal)

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Mohammad Farahmand PhD

Mohammad Farahmand PhD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Formal analysis (lead)

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Babak Shahbaz PhD

Babak Shahbaz PhD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Ahmad Tavakoli PhD

Ahmad Tavakoli PhD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Medical Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran

Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran

Contribution: Writing - review & editing (equal)

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Sara A. Rezayat MS

Sara A. Rezayat MS

Iranian Network for Research in Viral Diseases (INRVD)

Department of Health Care Management and Economics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Mohammad R. Karimi BS

Mohammad R. Karimi BS

Iranian Network for Research in Viral Diseases (INRVD)

Department of Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Yousef Erfani PhD

Yousef Erfani PhD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Laboratory Sciences, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Ali Jafarpour MS

Ali Jafarpour MS

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Research Center For Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Saber Soltani PhD

Saber Soltani PhD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Research Center For Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Milad Zandi PhD

Milad Zandi PhD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Research Center For Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Azam Ghaziasadi PhD

Azam Ghaziasadi PhD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Research Center For Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Razieh Dowran PhD

Razieh Dowran PhD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Research Center For Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Shohreh Azimi PhD

Shohreh Azimi PhD

Iranian Network for Research in Viral Diseases (INRVD)

Research Center For Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Shima S. Marvi BS

Shima S. Marvi BS

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Research Center For Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Mohammad F. Abazari MS

Mohammad F. Abazari MS

Iranian Network for Research in Viral Diseases (INRVD)

Research Center For Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Mehdi Norouzi PhD

Mehdi Norouzi PhD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Research Center For Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran

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Iman R. Azhar MS

Iman R. Azhar MS

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Research Center For Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran

Contribution: Data curation (equal)

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Seyed M. Jazayeri MD, PhD

Corresponding Author

Seyed M. Jazayeri MD, PhD

Iranian Network for Research in Viral Diseases (INRVD)

Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Research Center For Clinical Virology, Tehran University of Medical Sciences, Tehran, Iran

Correspondence Seyed Mohammad Jazayeri, Department of Virology, School of Public Health, Tehran University of Medical Sciences; Research Center For Clinical Virology, Tehran University of Medical Sciences, Tehran 1417613151, Iran.

Email: [email protected]

Contribution: Funding acquisition (lead), Supervision (lead), Writing - original draft (lead), Writing - review & editing (equal)

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First published: 14 November 2021
Citations: 3

Abstract

Background

The objectives of this study were to analyze the clinical features and laboratory profiles and risk factors associated with critical illness of children with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).

Methods

One hundred and sixty-six coronavirus disease 2019 (COVID-19) Iranian pediatric patients were recruited through a collaborative research network between March and May 2020. Demographics, clinical, laboratory, and radiological results were obtained from patient files.

Results

Of 166 patients, 102 (61%) and 64 (39%) were males and females, respectively. Ninety-six (57.8%) and 70 (42.2%), had moderate and severe conditions, respectively. Thirty (18%) of patients died. The common symptoms were fever (73%), cough (54%), and shortness of breath, headache decrease in neutrophil and platelet counts; increase values in lactate dehydrogenase, decrease in the blood pH and HCO3 were significantly associated with the disease severity. 54% and 56% of patients showed abnormal radiographic appearance in Chest X-ray and in chest computed tomography scan, respectively. Sixty-one (36.7%) of patients were referred to intensive care unit (ICU). The coexistence of comorbidity was the main factor associated with ICU admission, shock, arrhythmia, acute kidney injury, acute respiratory distress syndrome, acute cardiac injury, and death.

Conclusions

We describe a higher than previously recognized rate of COVID-19 mortality in Iranian pediatric patients. Epidemiological factors, such as the relatively high case fatality rate in the country and the presence of underlying diseases were the main factors for the high death rate.

CONFLICT OF INTERESTS

The authors declare that there are no conflict of interests.

DATA AVAILABILITY STATEMENT

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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