Table 1.
Description of included patients
| Cases (n = 95) | Controls (n = 346) | |
|---|---|---|
| Variables | n (%) | n (%) |
| Male gender | 49 (52%) | 179 (52%) |
| Age | ||
| 0–9 | 16 (17%) | 64 (18%) |
| 10–19 | 3 (3%) | 9 (3%) |
| 20–29 | 5 (5%) | 20 (6%) |
| 30–39 | 8 (8%) | 29 (8%) |
| 40–49 | 9 (9%) | 28 (8%) |
| 50–59 | 14 (15%) | 44 (13%) |
| 60–69 | 14 (15%) | 56 (16%) |
| 70–79 | 14 (15%) | 51 (15%) |
| 80–89 | 11 (12%) | 41 (12%) |
| > 89 | 1 (1%) | 4 (1%) |
| Comorbidity index | ||
| 68 (72%) | 251 (73%) | |
| 1 | 11 (12%) | 39 (11%) |
| 2 | 13 (14%) | 44 (13%) |
| 3 | 2 (2%) | 8 (2%) |
| 8 | 1 (1%) | 4 (1%) |
| Hospitals (anonymized) | ||
| A | 20 (21%) | 74 (21%) |
| B | 18 (19%) | 70 (20%) |
| C | 8 (8%) | 32 (9%) |
| D | 8 (8%) | 26 (8%) |
| E | 7 (7%) | 28 (8%) |
| F | 6 (6%) | 23 (7%) |
| G | 6 (6%) | 22 (6%) |
| H | 4 (4%) | 16 (5%) |
| I | 4 (4%) | 13 (4%) |
| J | 4 (4%) | 13 (4%) |
| K | 3 (3%) | 12 (3%) |
| L | 2 (2%) | 8 (2%) |
| M | 2 (2%) | 2 (1%) |
| N | 1 (1%) | 4 (1%) |
| O | 1 (1%) | 2 (1%) |
| P | 1 (1%) | 1 (0%) |
| Infections | ||
| No infections | 42 (44%) | 185 (53%) |
| Infection | 53 (56%) | 161 (47%) |
| Non-severe infections | 31 (33%) | 100 (29%) |
| Severe infections | 15 (16%) | 50 (14%) |
| Procedure | ||
| Surgery | 17 (18%) | 48 (14%) |