Table 1.
Demographic and epidemiology of the study patients.
| Characteristics | Patients (N = 659) | ARDS patients (N = 76) | Non-ARDS patients (N = 583) | P value |
|---|---|---|---|---|
| Demography | ||||
| Age | ||||
| Median(IQR)- years | 50.0 (37.0–62.0) | 56.5(47.5–67.8) | 49.0(36.0–60.0) | 0.000 |
| Distribution—no./total no. (%) | 0.000 | |||
| 14–30 years | 70/659(10.6%) | 2/76(2.6%) | 68/583(11.7%) | |
| 30–70 years | 545/659(82.7%) | 61/76(80.3%) | 484/583(83%) | |
| ≥ 70 years | 44/659(6.7%) | 13/76(17.1%) | 31/583(5.3%) | |
| Gender | 0.000 | |||
| Male—no./total no. (%) | 332/659(50.4%) | 58/76(76.3%) | 274/583(47.0%) | |
| Female—no./total no. (%) | 327/659(49.6%) | 18/76(23.7%) | 309/583(53.0%) | |
| BMI | ||||
| Median(IQR) | 23.9(21.5–25.9) | 25.5(21.5–25.7) | 23.7(23.2–27.7) | 0.001 |
| Distribution—no./total no. (%) | 0.007 | |||
| < 23 | 229/591(38.7%) | 14/65(21.5%) | 215/526(40.9%) | |
| 23–25 | 161/591(27.2%) | 17/65(26.2%) | 144/526(27.4%) | |
| > 25 | 201/591(34.1%) | 34/65(52.3%) | 167/526(31.7%) | |
| Medical staff—no./total no. (%) | 9/659(1.4%) | 1/76(1.3%) | 8/583(1.4%) | 0.968 |
| Pregnancy history—no./total no. (%) | 11/659(1.67%) | 3/76(3.9%) | 8/583(1.4%) | 0.123 |
| Smoking history—no./total no. (%) | 51/654(7.8%) | 11/76(14.5%) | 40/578(6.9%) | 0.198 |
| Epidemiology—no./total no. (%) | ||||
| History of exposure | 447/630(70.9%) | 38/70(54.3%) | 409/560(73.0%) | 0.002 |
| Family members have disease | 258/583(44.3%) | 27/76(35.5%) | 231/507(45.6%) | 0.285 |
| Number of cases in family members—Median(IQR) | 1(0–13) | 1(0–1) | 1(0–1) | 0.263 |
| Have been to Wuhan | 381/657(57.9%) | 34/76(44.7%) | 347/581(59.7%) | 0.091 |
| Stay in ICU | 33/608(5.4%) | 33/73(45.2%) | 0/535(0%) | 0.000 |
| Interval between date of contact and date of onset—Median (IQR) | 5(3–9) | 6(3–8) | 5(3–10) | 0.901 |
| The interval between the onset date and the visit date | ||||
| Median (IQR) | 2(0–5) | 3(1–6) | 1(0–4) | 0.772 |
| Distribution—no./total no. (%) | 0.035 | |||
| ≤ 2 days | 385/651(59.1%) | 34/75(45.3%) | 351/576(60.9%) | |
| 3–5 days | 142/651(21.8%) | 22/75(29.3%) | 120/576(20.8%) | |
| > 5 days | 124/651(19.0%) | 19/75(25.3%) | 105/576(18.3%) | |
| The interval between the date of onset and the date of admission | ||||
| Median (IQR) | 5(2–10) | 6(3–8) | 5(3–8) | 0.759 |
| Distribution—no./total no. (%) | 0.250 | |||
| ≤ 2 days | 182/656(27.7%) | 15/76(19.7%) | 167/580(28.8%) | |
| 3–5 days | 167/656(25.5%) | 22/76(28.9%) | 145/580(25.0%) | |
| > 5 days | 307/656(46.8%) | 39/76(51.3%) | 268/580(46.2%) | |
| The interval between the onset date and the antiviral date | ||||
| Median (IQR) | 5(3–10) | 4(4–9) | 5(4–9) | 0.278 |
| Distribution—no./total no. (%) | 0.250 | |||
| ≤ 2 days | 182/656(27.7%) | 15/76(19.7%) | 167/580(28.8%) | |
| 3–5 days | 167/656(25.5%) | 22/76(28.9%) | 145/580(25.0%) | |
| > 5 days | 307/656(46.8%) | 39/76(51.4%) | 268/580(46.2%) | |
BMI, body mass index; ICU, intensive care unit; no., number.
Data are presented as medians (interquartile ranges, IQR) and no./total no. (%).