Table 4 Negative binomial regression analysis of potential risk factors for post-operative ICU stay time (days)
From: Partial upper sternotomy for extensive arch repair in older acute type A aortic dissection patients
Valuables | Univariate | Multivariate a | ||
|---|---|---|---|---|
N = 204 | P | IRR (95%CI) | P | IRR (95%CI) |
Male gender | 0.195 | 1.16 (0.93, 1.45) | – | – |
Age | 0.259 | 1.01 (0.99, 1.04) | – | – |
Mafan syndrome | 0.962 | 0.98 (0.35, 2.74) | – | – |
Hypertension | 0.007 | 1.48 (1.11, 1.98) | 0.020 | 1.39 (1.05, 1.83) |
Diabetes | 0.044 | 1.42 (1.01, 2.00) | 0.106 | 1.31 (0.94, 1.83) |
Elevated creatinine | < 0.001 | 1.52 (1.22, 1.91) | 0.024 | 1.31 (1.04, 1.66) |
BMI ≥ 24 | 0.530 | 0.92 (0.72, 1.18) | – | – |
LVEF < 50% | 0.039 | 1.73 (1.03, 2.93) | 0.053 | 1.63 (0.99, 2.68) |
AR | 0.797 | 1.04 (0.80, 1.34) | – | – |
Malperfusion syndromes | 0.015 | 1.47 (1.08, 2.01) | 0.047 | 1.37 (1.00, 1.86) |
Partial upper sternotomy | 0.793 | 0.97 (0.79, 1.19) | – | – |
Cardiopulmonary bypass time | 0.021 | 1.07 (1.01, 1.13) | 0.019 | 1.06 (1.01, 1.12) |