Table 5 Univariate and multivariate logistic regression analyses of risk factors for the duration of hospital stay
Valuables | Univariate | Multivariate | ||
|---|---|---|---|---|
P | OR (95%CI) | P | OR (95%CI) | |
Preoperative factors | ||||
Age | 0.46 | 0.99 (0.98, 1.00) | – | – |
Male | 0.35 | 1.2 (0.81, 1.86) | – | – |
Hypertension | 0.56 | 0.88 (0.57, 1.36) | – | – |
Diabetes mellitus | 0.33 | 1.58 (0.63, 4.00) | – | – |
Coronary heart disease | 0.21 | 1.69 (0.75, 3.81) | – | – |
Preoperative complications | ||||
Coronary malperfusion | 0.11 | 3.58 (0.77, 16.75) | 0.07 | 4.71 (0.91, 24.51) |
Cerebral malperfusion | 0.11 | 0.33 (0.08, 1.27) | 0.14 | 0.35 (0.09, 1.41) |
Extremity malperfusion | 0.72 | 0.77 (0.19, 3.13) | – | – |
Acute renal failure | 0.10 | 0.53 (0.25, 1.13) | 0.38 | 0.70 (0.31, 1.56) |
Acute aortic regurgitation | 0.14 | 1.40 (0.90, 2.17) | 0.34 | 1.25 (0.79, 1.98) |
Serum creatinine | 0.11 | 1.00 (0.99, 1.00) | 0.07 | 1.00 (0.99, 1.00) |
Serum albumin | 0.22 | 0.97 (0.93,1.02) | – | – |
RBC count | 0.66 | 1.00 (0.99, 1.01) | – | – |
Platelet count | 0.22 | 1.00 (1.00, 1.01) | – | – |
Winter | < 0.01 | 2.17 (1.45, 3.25) | < 0.01 | 2.21 (1.46, 3.33) |
Spring | 0.42 | 0.84 (0.55, 1.28) | – | – |
Summer | 0.42 | 0.84 (0.55,1.28) | – | – |
Autumn | 0.09 | 0.71 (0.48, 1.05) | 0.87 | 0.96 (0.62, 1.49) |