Table 1.
Characteristics of HCWs according to disease severity of COVID-19.
| Characteristics | All (N = 779) | nonsevere (N = 316) | Severe (N = 463) | P |
|---|---|---|---|---|
| Demographic characteristics | ||||
| Age (years) | 35.0 (30.0-43.0) | 34.0 (28.0-40.0) | 36.0 (31.0-45.0) | <0.001 |
| BMI (kg/m2) | 22.8 (20.8-25.2) | 22.0 (20.0-23.8) | 23.4 (21.2-25.7) | <0.001 |
| Sex (female) | 601 (77%) | 249 (79%) | 352 (76%) | 0.386 |
| Education (college and higher) | 586/732 (80%) | 234/288 (81%) | 352/444 (79%) | 0.019 |
| Location of the hospital work for | 0.378 | |||
| Hankou, Wuhan | 452 (58%) | 188 (59%) | 264 (57%) | |
| Wuchang, Wuhan | 196 (25%) | 79 (25%) | 117 (25%) | |
| Hanyang, Wuhan | 40 (5%) | 11 (4%) | 29 (6%) | |
| Outside Wuhan in Hubei | 91 (12%) | 38 (12%) | 53 (12%) | |
| Roles in work | 0.003 | |||
| Doctors | 184/755 (24%) | 72/298 (24%) | 112/457 (24%) | |
| Nurses | 445/755 (59%) | 182/298 (61%) | 263/457 (58%) | |
| Other | 126/755 (17%) | 44/298 (15%) | 82/457 (18%) | |
| Smoking habit (yes) | 24/756 (3%) | 9/300 (3%) | 15/456 (3%) | 0.016 |
| Time from discharge to follow-up (days)* | 387.4 (379.3-393.4) | 386.4 (382.3-396.1) | 387.4 (379.1-393.3) | 0.271 |
| Clinical characteristics | ||||
| The highest respiratory support in hospital | <0.001 | |||
| No supplemental oxygen | 278/740 (38%) | 159/295 (54%) | 119/445 (27%) | |
| Supplemental oxygen by nasal cannula or mask | 443/743 (60%) | 136/295 (46) | 307/445 (69%) | |
| Noninvasive or invasive mechanical ventilation | 19/740 (2%) | 0(0%) | 19/445 (4%) | |
| ICU admission (yes) | 20/753 (3%) | 1/299 (0.3%) | 19/454 (4%) | <0.001 |
| Comorbidities (yes) | 167/747 (22%) | 28/298 (9%) | 139/449 (31%) | <0.001 |
| Symptoms at admission | ||||
| Fatigue | 412 (53%) | 127 (60%) | 285 (62%) | <0.001 |
| Fever | 404 (52%) | 119 (38%) | 285 (62%) | <0.001 |
| Muscle soreness | 252 (32%) | 58 (18%) | 194 (42%) | <0.001 |
| Dry cough | 238 (31%) | 79 (25%) | 159 (34%) | 0.006 |
| Cough | 232 (30%) | 72 (23%) | 160 (35%) | <0.001 |
| Chest distress | 212 (27%) | 49 (16%) | 163 (35%) | <0.001 |
| Diarrhea | 175 (23%) | 56 (18%) | 119 (26%) | 0.009 |
| Shortness of breath | 169 (22%) | 29 (9%) | 140 (30%) | <0.001 |
| Headache | 147 (19%) | 33 (10%) | 114 (24%) | <0.001 |
| Dyspnea | 99 (13%) | 7 (2%) | 92 (20%) | <0.001 |
| Vomiting | 43 (6%) | 8 (3%) | 35 (8%) | 0.002 |
Data are presented as n (%), n/N (%), or median (IQR).
Abbreviations: BMI, body mass index; HCWs, healthcare workers; ICU, intensive care unit; IQR, interquartile range
⁎
The sample sizes for a group of “all,” “nonsevere,” and “severe” were 557, 205, and 352.