Table 1.
Characteristics of patients and health care workers included in this study and recruited in Bichat Claude-Bernard and Pitié-Salpêtrière hospitals, two French hospitals located in the Parisian urban area, France, along 2020.
| Total (n = 736) | PSL (n = 341) | BCB (n = 395) | P-value | Patients (n = 529) | Health care workers (n = 207) | P-value | |
|---|---|---|---|---|---|---|---|
| Male, n (%) | 355 (48) | 151 (44) | 204 (53) | 0.0172 | 298 (56) | 57 (28) | < 0.0001 |
| Age, median [IQR] | 53 (34–71) | 49 (32–64) | 56 (36–75) | 0.0001 | 62 (45–76) | 34 (27–47) | < 0.0001 |
| Ct value, median [IQR] | 21.9 (17.7–24.8) | 23.7 (21.8–25.9) | 18.8 (15.8–22.8) | < 0.0001 | 22 (17.4–25.1) | 21.8 (18.4–24.1) | 0.8279 |
| Trip | 42/561 (7.5) | 10/166 (6) | 32/395 (8) | 0.4833 | 41/497 (8) | 1/64 (2) | 0.0726 |
| Contact with a positive case | 68/463 (15) | 46/166 (28) | 22/297 (7) | < 0.0001 | 61/446 (14) | 7/18 (39) | 0.009 |
| Hospitalisation, n (%) | 429/568 (76) | 146/212 (69) | 283/356 (79) | 0.0048 | 413/495 (83) | 16/73 (22) | < 0.0001 |
| Hospitalisation ICU, n (%) | 126/632 (20) | 74/337 (22) | 52/295 (18) | 0.1948 | 126/472 (27) | 0/160 (0) | – |
| Total hospitalization days, median [IQR] | 10 (3–21) | 9 (0–22) | 11.5 (6–19) | 0.0025 | 11 (4–21) | 0 (0–0) | < 0.0001 |
| ICU hospitalization days, median [IQR] | 12.5 (6–23) | 15 (8–25) | 10 (4–19) | 0.0177 | – | 12 (6–23.2) | – |
| Death, n (%) | 114/553 (21) | 39/206 (19) | 75/347 (22) | 0.5144 | 114/482 (24) | 0/71 (0) | – |
| Patients, n (%) | 529 (72) | 197/341 (58) | 332/395 (84) | < 0.0001 | 529 (100) | 0 (0) | – |
BCB Bichat Claude-Bernard, n number, IQR interquartile, ICU intensive care unit, PSL Pitié-Salpêtrière, – not applicable.
Statistical analyses were performed by Fisher’s exact test for qualitative data or Mann–Whitney U tests for quantitative data.