Survival and follow-up characteristics of 98 366 patients hospitalised with COVID-19 in France between 1 January and 30 June 2020 (data are presented as n (%) unless otherwise indicated)
| Overall (n=98 366) | Patients admitted to a CCU (n=25 765) | Patients admitted to an HCU (n=72 601) | P value | |
| Median length of stay in days (IQR) | 9 (4–16) | 15 (8–28) | 8 (4–13) | <0.0001 |
| Median survival time in days (95% CI*) | ||||
| Overall | 61 (59 to 64) | 77 (72 to 83) | 48 (46 to 52) | <0.0001 |
| By gender and age | ||||
| Male | ||||
| <18 | – | – | – | |
| 18–45 | 142 (125 to NA) | 142 (125 to NA) | 81 (62 to NA) | |
| 46–65 | 127 (109 to NA) | 154 (119 to NA) | 72 (63 to NA) | |
| 66–70 | 77 (67 to 93) | 82 (71 to 107) | 61 (48 to 85) | |
| 71–84 | 41 (38 to 43) | 45 (41 to 50) | 37 (34 to 41) | |
| ≥85 | 23 (22 to 24) | 22 (19 to 25) | 23 (22 to 25) | |
| Female | ||||
| <18 | – | – | – | |
| 18–45 | – | – | 84 (68 to NA) | |
| 46–65 | 122 (94 to NA) | 122 (94 to NA) | 83 (64 to NA) | |
| 66–70 | 87 (77 to NA) | 89 (72 to NA) | 81 (65 to NA) | |
| 71–84 | 57 (50 to 67) | 53 (47 to 67) | 57 (49 to 72) | |
| ≥85 | 43 (41 to 47) | 32 (27 to 40) | 46 (43 to 52) | |
| Survival time | ||||
| ≤60 days | 96 466 (98.1) | 24 267 (94.2) | 72 199 (99.4) | |
| >60 days | 1 900 (1.9) | 1 498 (5.8) | 402 (0.6) | |
| Status at the end of follow-up | ||||
| Discharged | 79 920 (81.2) | 19 584 (76.0) | 60 336 (83.1) | |
| Died in hospital | 18 446 (18.8) | 6 181 (24.0) | 12 265 (16.9) | |
*CIs were obtain from R survfit function using log transformation.
CCU, critical care unit; HCU, hospital care unit; NA, not available.