Surgical patients N = 8852 | Non-surgical patients N = 3626 | p value* | |
---|---|---|---|
N (%) | N (%) | ||
Intrinsic factors | |||
Sex | < 0.0001 | ||
Female | 4610 (52.1) | 2024 (55.8) | |
Male | 4242 (47.9) | 1602 (44.2) | |
Age group | < 0.0001 | ||
< 40 years | 1171 (13.2) | 792 (21.8) | |
40–59 | 1921 (21.7) | 844 (23.3) | |
60–79 | 4703 (53.1) | 1683 (46.4) | |
> 80 | 1057 (11.9) | 307 (8.5) | |
McCabe classification | < 0.0001 | ||
Nonfatal | 6831 (77.2) | 2913 (80.3) | |
Fatal within 5 years | 517 (5.8) | 178 (4.9) | |
Fatal within 1 year | 1205 (13.6) | 485 (13.4) | |
Unknown | 299 (3.4) | 50 (1.4) | |
Extrinsic factors | |||
Invasive devices | |||
Urinary catheter | 1591 (18.0) | 1287 (35.5) | < 0.0001 |
Central venous catheter | 254 (2.9) | 378 (10.4) | < 0.0001 |
Mechanical ventilation | 127 (1.4) | 141 (3.9) | < 0.0001 |
Exposure to intensive care | 283 (3.2) | 238 (6.6) | < 0.0001 |
Prior antibiotics therapy | 2850 (32.2) | 2435 (67.2) | < 0.0001 |
Hospital factors | |||
Level of hospital health care | < 0.0001 | ||
Secondary | 4845 (54.7) | 1631 (45.0) | |
Tertiary | 4007 (45.3) | 1995 (55.0) | |
Hospital size | < 0.0001 | ||
Small (< 360 beds) | 2214 (25.0) | 710 (19.6) | |
Medium (360–575) | 2371 (26.8) | 918 (25.3) | |
Large (575–1100) | 2161 (24.4) | 849 (23.4) | |
Very large (> 1100) | 2106 (23.8) | 1149 (31.7) |