Table 1 Comparison of clinical characteristics between groups by duration of viral clearance
Overall | Prolonged duration patients | Non-prolonged duration patients | p value | |
|---|---|---|---|---|
(n = 706) | (n = 194) | (n = 512) | ||
Men, n (%) | 380 (53.8) | 107 (55.2) | 273 (53.3) | 0.66 |
Age, median [IQR] | 45 [31–58] | 47 [31–63] | 45 [31–57] | 0.1 |
Age categories | ||||
< 30, n (%) | 140 (19.8) | 36 (18.6) | 104 (20.3) | 0.41 |
30–39, n (%) | 144 (20.4) | 38 (19.6) | 106 (20.7) | |
40–49, n (%) | 130 (18.4) | 33 (17.0) | 97 (19.0) | |
50–59, n (%) | 131 (18.6) | 31 (16.0) | 100 (19.5) | |
60–69, n (%) | 55 (7.8) | 18 (9.3) | 37 (7.2) | |
70–79, n (%) | 57 (8.1) | 21 (10.8) | 36 (7.0) | |
80+, n (%) | 49 (6.9) | 17 (8.8) | 32 (6.3) | |
Comorbidity, n (%) | 199 (28.2) | 68 (35.1) | 131 (25.6) | 0.01 |
Diabetes, n (%) | 51 (7.2) | 19 (9.8) | 32 (6.3) | 0.1 |
Respiratory disease, n (%) | 51 (7.2) | 19 (9.8) | 32 (6.3) | 0.1 |
Coronary heart disease, n (%) | 32 (4.5) | 12 (6.2) | 20 (3.9) | 0.19 |
Immunodeficiency, n (%) | 8 (1.1) | 4 (2.1) | 4 (0.8) | 0.15 |
Cancer, n (%) | 11 (1.6) | 3 (1.6) | 8 (1.6) | 0.99 |
Hypertension, n (%) | 10 (1.4) | 4 (2.1) | 6 (1.2) | 0.37 |
Others, n (%) | 103 (14.6) | 36 (18.6) | 67 (13.1) | 0.07 |
Number of comorbidities, n (%) | ||||
0 | 511 (72.4) | 126 (65.0) | 385 (75.2) | 0.02 |
1 | 134 (19.0) | 44 (22.7) | 90 (17.6) | |
2+ | 61 (8.6) | 24 (12.4) | 37 (7.2) | |
Symptoms | ||||
Fever, n (%) | 458 (64.9) | 120 (61.9) | 338 (66.0) | 0.3 |
Cough, n (%) | 377 (53.4) | 103 (53.1) | 274 (53.5) | 0.92 |
Dyspnea, n (%) | 164 (23.2) | 44 (22.7) | 120 (23.4) | 0.83 |
Digestive symptoms, n (%) | 108 (15.3) | 30 (15.5) | 78 (15.2) | 0.94 |
Olfactory and taste disorders, n (%) | 179 (25.4) | 50 (25.8) | 129 (25.2) | 0.88 |
Fatigue, n (%) | 269 (38.1) | 67 (34.5) | 202 (39.5) | 0.23 |
Others, n (%) | 367 (52.0) | 94 (48.5) | 273 (53.3) | 0.25 |
Radiological findings (chest examination), n (%) | 236 (33.4) | 65 (33.5) | 171 (33.4) | 0.95 |
No findings, n (%) | 76 (10.8) | 22 (11.3) | 54 (10.6) | |
Missing, n (%) | 394 (55.8) | 107 (55.2) | 287 (56.1) | |
Duration of viral clearance from symptom onset, median [IQR] | 22 [17–29] | 34 [31–39] | 19 [15–23] | < 0.001 |
Location of recuperation at the time of the (first) PCR testa | ||||
Hospital, n (%) | 428 (60.7) | 100 (51.6) | 328 (64.2) | 0.002 |
Non-hospital, n (%) | 277 (39.3) | 94 (48.5) | 183 (35.8) | |
Hospitalized patients | ||||
Duration from illness onset to admissionb, median [IQR] | 7 [5–10] | 10 [7–16] | 7 [4–9] | < 0.001 |
Lengths of hospital stayc, median [IQR] | 17 (12–23) | 28 (22–33) | 15 (10–19) | < 0.001 |