Table 1.
The characteristics of COVID-19 in middle-aged (40–59 years) patients without comorbidities on admission
| Characteristics | All patients N = 119 | Non-severe N = 101 | Severe N = 18 | p valuea |
|---|---|---|---|---|
| Median age (IQR),yr | 50 (45,54) | 50 (45,55) | 51(46,54) | 0.970 |
| Gender | ||||
| Female | 42 (35.3) | 37 (36.6) | 5 (27.8) | NS |
| Male | 77 (64.7) | 64 (63.4) | 13 (72.2) | 0.469 |
| Fever | 38.5 (38.0,39.0) | 38.5 (38.0,39.0) | 39.0 (38.5,39.9) | 0.002 |
| 37.3–38.0 ℃ | 27 (22.7) | 25 (24.8) | 2 (11.1) | 0.203 |
| 38.1–39.0 ℃ | 56 (47.1) | 47 (46.5) | 9 (50.0) | 0.786 |
| > 39℃ | 22 (18.5) | 15 (14.9) | 7 (38.9) | 0.016 |
| Dry cough | 76 (63.9) | 68 (67.3) | 8 (44.4) | 0.063 |
| Expectoration | 38 (31.9) | 28 (27.7) | 10 (55.6) | 0.020 |
| Myalgia | 7 (5.9) | 4 (4.0) | 3(16.7) | 0.035 |
| Fatigue | 36 (30.3) | 29(28.7) | 7(38.9) | 0.387 |
| Dyspnea | 52 (43.7) | 38(37.6) | 14(77.8) | 0.002 |
| Headache | 5 (4.2) | 5 (5.0) | 0 (0) | 0.229 |
| Diarrhea | 13 (10.9) | 13 (12.9) | 0 (0) | 0.034 |
| Heart rate, median (IQR),bpm | 86 (80,96) | 85 (80,96) | 87 (84,96) | 0.509 |
| Respiratory rate, median (IQR) | 20 (20,24) | 20 (20,23) | 21 (20,28) | 0.095 |
| Pulse oximetry %, median (IQR) | 95 (86,98) | 96 (93,98) | 87 (80,93) | 0.232 |
| PaO2/FiO2 ratio, median (IQR) | 362 (246,380) | 383 (345,420) | 313 (180,370) | 0.423 |
| Time from symptom onset to admission, median (IQR),d | 7 (5,10) | 6 (4,9) | 9 (6,13) | 0.797 |
Values are numbers (percentages) unless stated otherwise
COVID-19 coronavirus disease 2019, IQR interquartile range
ap values indicate differences between severe and non-severe. p < 0.05 was considered statistically significant