Table 1 Demographic and clinical characteristics of the study population
Variables | Prolonged group (n = 416) | Control group (n = 750) | P values |
|---|---|---|---|
Length of stay (days), median (IQR) | 10 (4.00) | 4 (2.00) | < 0.001 |
Age (years), mean ± SD | 45.52 ± 14.78 | 42.54 ± 15.30 | 0.001 |
Male, (n%) | 208 (50.0%) | 353 (47.1%) | 0.337 |
Ethnic Han patients, (n%) | 411 (98.8%) | 735 (98.0%) | 0.315 |
Disease category | < 0.001 | ||
 Mild patients, (n%) | 99 (23.8%) | 86 (11.5%) |  |
 Asymptomatic patients, (n%) | 317 (76.2%) | 664 (88.5%) |  |
Comorbidity, (n%) | Â | ||
 Hypertension | 38 (9.1%) | 57 (7.6%) | 0.359 |
 Diabetes | 10 (2.4%) | 28 (3.7%) | 0.221 |
History of allergy, (n%) | 2 (0.5%) | 12 (1.6%) | 0.157a |
Vaccination, (n%) | 0.089 | ||
 None/incomplete | 109 (26.2%) | 216 (28.8%) |  |
 Routine vaccination | 125 (30.0%) | 255 (34.0%) |  |
 Booster vaccination | 182 (43.8%) | 279 (37.2%) |  |
Admission Ct values, mean ± SD |  | ||
 Ct-ORF | 30.48 ± 5.03 | 37.79 ± 3.81 | < 0.001 |
 Ct-N | 28.71 ± 4.95 | 36.95 ± 4.59 | < 0.001 |
Lowest Ct values, mean ± SD |  | ||
 Ct-ORF | 27.68 ± 3.88 | 37.00 ± 4.62 | < 0.001 |
 Ct-N | 25.79 ± 3.60 | 36.06 ± 5.39 | < 0.001 |