Factor | S. aureus (n = 95) | Negative (n = 217) | Univariate analysis | Logistic regression (multivariate) | ||
---|---|---|---|---|---|---|
OR (95%CI) | p | OR (95%CI) | p | |||
Male gender | 42 (44.2) | 98 (45.2) | 0.96 (0.59–1.56) | 0.88 |  |  |
Age (median, quartiles) | 61 (49–70) | 65 (56–71) | – | 0.04 | 0.98 (0.93–0.99) | 0.02 |
Time since diagnosis, years (median, quartiles) | 14 (9–20) | 16.5 (8–25) | – | 0.84 |  |  |
Use of insulin, years (median, quartiles) | 8 (4–14) | 7 (3–11) | – | 0.22 |  |  |
Diabetes type 2 | 78 (82.1) | 184 (84.8) | 0.82 (0.43–1.56) | 0.35 |  |  |
Heart disease | 16 (17.4) | 61 (29.0) | 0.51 (0.28–0.95) | 0.03 |  |  |
Lung disease | 4 (4.3) | 29 (13.8) | 0.28 (0.10–0.83) | 0.02 | 0.31 (0.10–0.92) | 0.03 |
Kidney disease | 23 (25.0) | 59 (28.1) | 0.85 (0.49–1. 49) | 0.58 |  |  |
Liver disease | 9 (9.8) | 18 (8.6) | 1.16 (0.50–2.68) | 0.73 |  |  |
CNS disease | 19 (20.7) | 31 (14.8) | 1.50 (0.80–2.82) | 0.20 |  |  |
Cancer | 11 (11.8) | 28 (13.1) | 0.89 (0.42–1.87) | 0.75 |  |  |
Trauma | 8 (8.7) | 23 (11.0) | 0.77 (0.33–1.80) | 0.55 |  |  |
Tattoo | 4 (4.3) | 12 (5.7) | 0.75 (0.23–2.39) | 0.78 |  |  |
Lower-extremity ulcers | 15 (16.3) | 16 (7.6) | 2.36 (1.11–5. 01) | 0.02 | 2.44 (1.11–5.34) | 0.03 |
Amputation | 2 (2.2) | 8 (3.8) | 0.56 (0.18–2.70) | 0.73 |  |  |
Charlson comorbidity index ≥ 1 | 3 (2–4) | 3 (2–4) | - | 0.84 |  |  |
Hospitalization in the last year | 11 (12.0) | 37 (17.6) | 0.63 (0.31–1.31) | 0.21 |  |  |
Surgery in the last year | 10 (10.9) | 22 (10.5) | 1.04 (0.47–2.30) | 0.91 |  |  |
Antimicrobial use in the last year | 21 (22.8) | 57 (27.3) | 0.79 (0.44–1.40) | 0.42 |  |  |