Table 1.
Comparisons of demographic and clinical characteristics of 125 patients with COVID-19 between the two groups.
| Characteristics | Total (n = 125) | Short-term group (n = 66) | Long-term group (n = 59) | Z/χ2 | P |
|---|---|---|---|---|---|
| Age (years) | 55.0 (40.0–68.5) | 52.50 (37.0–66.0) | 59.0 (41.0–70.0) | −1.652 | 0.098 |
| <60 | 72 (57.60) | 42 (63.64) | 30 (50.84) | 2.086 | 0.149 |
| ≥60 | 53 (42.40) | 24 (36.36) | 29 (49.16) | ||
| Sex | |||||
| Male | 66 (52.80) | 33 (50.00) | 33 (55.93) | 0.440 | 0.507 |
| Female | 59 (47.20) | 33 (50.00) | 26 (44.07) | ||
| Date of illness onset | |||||
| Jan or earlier | 51 (40.80) | 24 (36.36) | 27 (45.76) | 1.139 | 0.286 |
| Feb or later | 74 (59.20) | 42 (63.64) | 32 (54.24) | ||
| Time form illness onset to admission (days) | 15.0 (7.0–30.0) | 16.0 (7.5–31.75) | 12.0 (7.0–21.0) | −1.519 | 0.129 |
| ≤ 15 | 65 (52.00) | 29 (43.94) | 36 (61.02) | 3.640 | 0.056 |
| >15 | 60 (48.00) | 37 (56.06) | 23 (38.98) | ||
| Comorbidity | |||||
| Hypertension | 35 (28.00) | 22 (33.33) | 13 (22.03) | 1.973 | 0.160 |
| Type 2 diabetes | 25 (20.00) | 13 (19.70) | 12 (20.34) | 0.008 | 0.929 |
| Coronary heart disease | 11 (8.80) | 4 (6.06) | 7 (11.96) | 1.307 | 0.253 |
| ≥1 comorbidity | 63 (50.4) | 34 (51.52) | 29 (49.15) | 0.070 | 0.792 |
| Medications | |||||
| 0 | 78 (62.40) | 43 (65.15) | 35 (59.32) | ||
| 1–2 | 26 (20.80) | 14 (21.21) | 12 (24.34) | 1.014 | 0.602 |
| ≥3 | 21 (16.80) | 9 (13.64) | 12 (24.34) | ||
| Onset symptoms | |||||
| Fever | 70 (56.00) | 36 (54.54) | 34 (57.63) | 0.120 | 0.729 |
| Cough | 64 (51.20) | 37 (56.06) | 27 (45.76) | 1.322 | 0.250 |
| Temperature (°C) | 36.5 (36.3–36.8) | 36.5 (36.3–36.8) | 36.6 (36.4–36.6) | −0.706 | 0.480 |
| >37.3 | 16 (12.80) | 8 (12.12) | 8 (13.56) | 0.056 | 0.810 |
| Heart rate (beats/min) | 90 (78.5–101.0) | 90.0 (80.0–102.25) | 90 (78.0–100.0) | −0.381 | 0.703 |
| >100 | 31 (24.80) | 17 (25.76) | 14 (23.73) | 0.069 | 0.793 |
| SBP (mm Hg) | 130.0 (130.0–141.0) | 130.5 (119.5–149.5) | 127.0 (119.0–136.0) | −1.653 | 0.098 |
| ≥140 | 37 (29.60) | 27 (40.91) | 10 (16.95) | 8.582 | 0.003* |
| DBP (mm Hg) | 80.0 (73.0–90.0) | 82.0 (74.0–95.0) | 80.0 (70.0–87.0) | −2.289 | 0.022* |
| ≥90 | 33 (26.40) | 24 (36.36) | 9 (15.25) | 7.144 | 0.008* |
| SPO2 (%) | 98.0 (96.5–98.5) | 98.0 (97.0–99.0) | 97.0 (96.0–98.0) | −1.401 | 0.161 |
| Clinical type on admission | |||||
| Severe | 2 (1.60) | 1 (1.52) | 1 (1.69) | 0.006 | 1.000 |
| General | 123 (98.40) | 65 (98.48) | 58 (98.31) | ||
Data are shown as median (interquartile range) or n (%). P-values were calculated by Mann-Whitney U test, χ2 test or Fisher's exact test, as appropriate. SBP, systolic blood pressure; DBP, diastolic blood pressure; SPO2, pulse oximeter O2 saturation;
*
P < 0.05 denoted significant difference between patients with short-term and long-term hospitalization.