Table 1 Demographics and characteristics of patients
From: A single-center, retrospective study of COVID-19 features in children: a descriptive investigation
| Characteristics | Group A | Group B | Group A + B | Group C |
|---|---|---|---|---|
| Age, years | 3.0 (0.9–7.5) | 1.0 (1.0–4.5) | 2.5 (0.9–7.0) | 2.5 (1.2–9.8) |
| > 2.5 | 22/43 (51%) | 3/7 (43%) | 25/50 (50%) | 13/26 (50%) |
| ≤ 2.5 | 21/43 (49%) | 4/7 (57%) | 25/50 (50%) | 13/26 (50%) |
| Sex | ||||
| Male | 23/43 (53%) | 5/7 (71%) | 28/50 (56%) | 14/26 (54%) |
| Female | 20/43 (47%) | 2/7 (29%) | 22/50 (44%) | 12/26 (46%) |
| Type of care | ||||
| Discharged patients | 33/43 (77%) | 5/7 (71%) | 38/50 (76%) | 26/26 (100%) |
| Hospitalization duration | 11.0 (9.0~13.0) | 13.0 (7.0~14.0) | 11.0 (8.2~13.8) | 10.5 (8.0~12.0) |
| Clinical status | ||||
| Asymptomatica | 0/43 (0%) | 2/7 (29%) | 2/50 (4%) | 0/26 (0%) |
| Very mild | 0/43 (0%) | 5/7 (71%) | 5/50 (10%) | 0/26 (0%) |
| Mild | 41/43 (95%) | 0/7 (0%) | 41/50 (82%) | 26/26 (100%) |
| Severe | 0/43 (0%) | 0/7 (0%) | 0/50 (0%) | 0/26 (0%) |
| Critically ill | 2/43 (5%) | 0/7 (0%) | 2/50 (4%) | 0/26 (0%) |
| Symptoms | ||||
| Fever | 29/43 (67%) | 3/7 (43%) | 32/50 (64%) | 21/26 (81%) |
| Cough | 21/43 (49%) | 1/7 (14%) | 22/50 (44%) | 19/26 (73%) |
| Myalgia or fatigue | 2/43 (5%) | 0/7 (0%) | 2/50 (4%) | 0/26 (0%) |
| Sore throat (pharyngalgia) | 1/43 (2%) | 0/7 (0%) | 1/50 (2%) | 0/26 (0%) |
| Diarrhea | 3/43 (7%) | 0/7 (0%) | 3/50 (6%) | 0/26 (0%) |
| Abdominal pain | 2/43 (5%) | 0/7 (0%) | 2/50 (4%) | 0/26 (0%) |
| Rhinorrhea | 7/43 (16%) | 1/7 (14%) | 8/50 (16%) | 2/26 (8%) |
| Loss of appetite | 2/43 (5%) | 0/7 (0%) | 2/50 (4%) | 0/26 (0%) |
| Chest pain | 0/43 (0%) | 0/7 (0%) | 0/50(0%) | 1/26 (4%) |
| Intussusception | 1/43 (2%) | 0/7 (0%) | 1/50 (2%) | 0/26 (0%) |
| No symptoms | 4/43 (9%) | 2/7 (29%) | 6/50 (12%) | 0/26 (0%) |
| Mortality | 0/43 (0%) | 0/7 (0%) | 0/50 (0%) | 0/26 (0%) |
| Comorbidity | ||||
| Cardiac damage | 4/43 (9%) | 1/7 (14%) | 5/50 (10%) | 3/26 (12%) |
| Appendicitis | 1/43 (2%) | 0/7 (0%) | 1/50 (2%) | 0/26 (0%) |
| Foreign body in bronchus | 1/43 (2%) | 0/7 (0%) | 1/50 (2%) | 0/26 (0%) |
| Mycoplasma infection | 5/43 (12%) | 0/7 (0%) | 5/50 (10%) | 11/26 (42%) |
| Respiratory syncytial virus infection | 1/43 (2%) | 0/7 (0%) | 1/50 (2%) | 0/26 (0%) |
| Renal failure | 1/43 (2%) | 0/7 (0%) | 1/50 (2%) | 0/26 (0%) |
| Intestinal necrosis in MODS | 1/43 (2%) | 0/7 (0%) | 1/50 (2%) | 0/26 (0%) |