Retrospective Study
Copyright ©The Author(s) 2022.
World J Exp Med. Mar 20, 2022; 12(2): 26-35
Published online Mar 20, 2022. doi: 10.5493/wjem.v12.i2.26
Table 1 Clinical and demographic characteristics of the study participants at the hospital admission

Group 1
Group 2
(PCR+ pneumonia)
(PCR- pneumonia)
Patients
Number2420
Gender
Male16 (66. 7%)9 (45.0%)
Female8 (33. 3%)11(55.0%)
Age
0-5 yr14 (58. 3%)11 (55.0%)
5-10 yr4 (16. 7%)4 (20.0%)
> 10 years6 (25. 0%)5 (25.0%)
Clinical manifestations
Cough17 (70. 8%)15 (75.0%)
Fever17 (70. 8%)16 (80. 0%)
Dyspnea7 (29. 2%)7 (35. 0%)
Loss of appetite15 (62. 5%)13 (65.0%)
Fatigue15 (62. 5%)13 (65. 0%)
Weakness15 (62. 5%)13 (65. 0%)
Vomiting/nausea2 (8. 3%)3 (15. 0%)
Diarrhea1 (4. 2%)0 (0. 0%)
Flatulence1 (4. 2%)0 (0. 0%)
Rhinorrhea8 (33. 3%)9 (45. 0%)
Sweating0 (0. 0%)0 (0. 0%)
Chest pain0 (0. 0%)0 (0. 0%)
Dizziness1 (4. 2%)0 (0. 0%)
Joint pain1 (4. 2%)0 (0. 0%)
Seizures0 (0. 0%)0 (0. 0%)
Chest X ray findings
Bilateral pneumonia17 (70. 8%)15 (75. 0%)
Segmental pneumonia5 (20. 8%)
Subsegmental pneumonia 2 (8. 3%)5 (25.0%)
Comorbidity
CHD1 (4. 2%)0 (0. 0%)
PTI1 (4. 2%)0 (0. 0%)
AML1 (4. 2%)0 (0. 0%)
Partial epilepsy 0 (0. 0%)0 (0. 0%)