Table 1 Patient characteristics of the SALT cohort, S. aureus SSI cases, and controls
From: Staphylococcus aureus surgical site infection rates in 5 European countries
Characteristic | Cohort | S. aureus SSI cases | Controls | p-value (SSI cases vs. controls) |
|---|---|---|---|---|
Age | ||||
Mean | 56.7 | 58.1 (18–95) | 57.7 (18–97) | p = 0.704 |
Age groups [% (n)] | ||||
18–29 | 9.5 (17,056) | 9.5 (71) | 11.4 (85) | |
30–44 | 19.0 (33,967) | 16.7 (124) | 17.1 (127) | |
45–59 | 23.3 (41,728) | 20.4 (152) | 19.6 (146) | |
60–75 | 30.2 (53,981) | 34.3 (255) | 30.9 (230) | |
> 75 | 17.98 (32,170) | 19.1 (142) | 21.0 (156) | |
Sex [% (n)] | p = 0.604 | |||
Female | 51.7 (92,468) | 48.1 (358) | 46.6 (347) | |
Male | 48.3 (86,434) | 51.9 (386) | 53.4 (397) | |
BMI [% (n)]* | n/a | p = 0.767 | ||
< 18.5 | 1.9 (12) | 2.2 (13) | ||
18.5–24.9 | 32.3 (204) | 44.4 (263) | ||
25.0–29.9 | 34.4 (215) | 32.5 (193) | ||
30.0–34.9 | 20.8 (130) | 15.3 (91) | ||
35.0–39.9 | 6.9 (43) | 4.0 (24) | ||
> 40 | 3.4 (21) | 1.5 (9) | ||
Comorbidities Cardiovascular | ||||
Chronic CVD | 4.39 (4454/101410) | 23.1 (172) | 21.9 (163) | p = 0.620 |
Congestive HF | 1.07 (1082/101410) | 7.7 (57) | 5.5 (41) | p = 0.117 |
Peripheral VD | 3.43 (3482/101410) | 12.1 (90)** | 8.1 (60)** | p = 0.012 |
Pulmonal | ||||
COPD | 1.45 (1475/101410) | 6.2 (46) | 4.4 (33) | p = 0.165 |
Cancer | ||||
Leukemia | 0.15 (154/101410) | 0.4 (3) | 0.3 (2) | p = 1.000 |
Lymphoma | 0.28 (285/101410) | 2.2 (16) | 0.9 (7) | p = 0.091 |
Solid tumor | 7.29 (7396/101410) | 22.3 (166)** | 15.6 (116)** | p = 0.001 |
Neurological | ||||
Dementia | 0.32 (321/101410) | 2.3 (17) | 2.4 (18) | p = 1.000 |
TIA or CVA | 0.13 (132/101410) | 5.8 (43) | 5.8 (43) | p = 0.591 |
Hemiplegia | 0.89 (904/101410) | 1.3 (10)** | 3.1 (23)** | p = 0.033 |
Other Internal | ||||
Diabetes | 11.43 (11,591/178904) | 21.0 (156) | 176 (131) | p = 0.115 |
Liver disease | 1.12 (1138/101410) | 4.4 (33) | 5.0 (37) | p = 0.714 |
CKD | 3.22 (3271/101410) | 7.8 (58) | 7.0 (52) | p = 0.620 |
Other | ||||
HIV/AIDS | 0.09 (96/101410) | (9) | (6) | p = 0.605 |