Table 1 Demographics and baseline characteristic of young adults with severe COVID-19
|  | Total n = 77 | Survivor n = 37 | Non-survivor n = 40 | P value |
|---|---|---|---|---|
Age, years | 59 (54–63) | 58 (50–62) | 60 (57–64) | 0.077 |
Sex (male) | 50 (65%) | 21 (57%) | 29 (73%) | 0.148* |
Exposure history | 10 (13%) | 5 (14%) | 5 (13%) | 0.895* |
Smoker | 3 (4%) | 2 (6%) | 1 (3%) | 0.981* |
Comorbidity | 72 (94%) | 35 (95%) | 97 (93%) | 1* |
Hypertension | 26 (34%) | 12 (33%) | 414 (35%) | 0.812* |
Diabetes | 9 (12%) | 5 (14%) | 4 (10%) | 0.901* |
Coronary heart disease | 3 (4%) | 0 (0) | 3 (8%) | 0.241* |
Malignancy | 2 (3%) | 2 (6%) | 0 (0) | 0.228* |
Chronic kidney disease | 2 (3%) | 0 (0) | 2 (5%) | 0.494* |
Tuberculosis | 1 (1%) | 0 (0) | 1 (3%) | 1* |
Chronic hepatitis B | 4 (5%) | 2 (5%) | 2 (5%) | 1* |
Others | 28 (36%) | 14 (38%) | 14 (35%) | 0.796* |
Respiratory rate, > 30 breath per min | 13/75 (17%) | 4/37 (11%) | 9/40 (24%) | 0.141* |
Heart rate, ≥ 125 beats per min | 7/76 (9%) | 0/36 (0) | 7/40 (18%) | 0.012* |
Percutaneous oxygen saturation, ≤ 93% | 55 (71%) | 25 (68%) | 30 (75%) | 0.471 |
Systolic pressure, mmH | 131 (119–146) | 130 (114–142) | 132 (121–151) | 0.582 |
Diastolic pressure, mmHg | 79 (67–85) | 76 (62–85) | 80 (71–88) | 0.185 |
Fever | 72 (94%) | 35 (95%) | 37 (93%) | 1* |
Sore throat | 4 (5%) | 2 (5%) | 2 (5%) | 1* |
Cough | 59 (77%) | 27 (73%) | 32 (80%) | 0.467* |
Chest pain | 3 (4%) | 1 (3%) | 2 (5%) | 1* |
Dyspnea | 51 (66%) | 18 (49%) | 33 (83%) | 0.002* |
Fatigue | 42 (55%) | 20 (54%) | 22 (55%) | 0.834* |
Myalgia | 14 (18%) | 8 (22%) | 6 (15%) | 0.452* |
Nausea or vomiting | 5 (7%) | 1 (3%) | 4 (10%) | 0.403* |
Diarrhea | 25 (33%) | 12 (33%) | 13 (33%) | 0.995* |
Stomachache | 5 (5%) | 1 (3%) | 4 (10%) | 0.403* |
Headache | 7 (9%) | 3 (8%) | 5 (10%) | 1* |
Unconscious | 2 (3%) | 0 (0) | 2 (5%) | 0.494* |
Dizziness | 3 (4%) | 0 (0) | 3 (8%) | 0.241* |