Table 3 Crude and adjusted (for antibiotic treatment) odds ratio of healthcare-associated infections (HAIs) in patients treated vs. those untreated with non-selective β-blockers (C07AA). Results of conditional logistic regression. Crude and adjusted (for antibiotic treatment) odds ratio of healthcare-associated infections (HAIs) in patients treated vs. those untreated with selective β1-blockers (C07AB). Results of conditional logistic regression.
(a) | total | treated | non-treated | OR (95% CI) | P | aOR (95% CI) | P | |
|---|---|---|---|---|---|---|---|---|
All infections | cases | 1756 | 5 (0.28%) | 1751 (99.72%) | 0.28 (0.09–0.87) | 0.03 | 0.29 (0.10–0.90) | 0.03 |
controls | 3512 | 35 (1.00%) | 3477 (99.00%) | |||||
Gram-negative | cases | 371 | 1 (0.27%) | 370 (99.73%) | 0.26 (0.03–2.16) | 0.21 | 0.26 (0.03–2.17) | 0.21 |
controls | 1484 | 15 (1.01%) | 1469 (98.99%) | |||||
Gram-positive | cases | 236 | 1 (0.42%) | 235 (99.58%) | 0.33 (0.04–2.69) | 0.30 | 0.33 (0.04–2.69) | 0.30 |
controls | 944 | 12 (1.27%) | 932 (98.73%) |
(b) | total | treated | non-treated | OR (95% CI) | P | aOR (95% CI) | P | |
|---|---|---|---|---|---|---|---|---|
All infections | cases | 1756 | 451 (25.68%) | 1305 (74.32%) | 1.18 (1.00–1.39) | 0.04 | 1.20 (1.02–1.41) | 0.03 |
controls | 3512 | 801 (22.81%) | 2711 (77.19%) | |||||
Gram-negative | cases | 371 | 105 (28.30%) | 266 (71.70%) | 1.46 (1.11–1.90) | 0.01 | 1.46 (1.12–1.90) | 0.01 |
controls | 1484 | 321 (21.63%) | 1163 (78.37%) | |||||
Gram-positive | cases | 236 | 57 (24.15%) | 179 (75.85%) | 1.14 (0.84–1.54) | 0.41 | 1.13 (0.84–1.53) | 0.42 |
controls | 944 | 208 (22.03%) | 736 (77.97%) |