Multivariable Analysis of the Predictors of Postoperative Length of Hospital Stay*
| Variable | Correlation coefficient (and SE) | p value |
|---|---|---|
| Age | 0.162 (0.029) | < 0.001 |
| Cerebrovascular disease | 4.585 (0.908) | < 0.001 |
| Congestive heart failure | 3.561 (1.263) | 0.005 |
| COPD | 2.006 (0.816) | 0.014 |
| Canadian Cardiovascular Society class 4 | 2.764 (0.743) | < 0.001 |
| Peripheral vascular disease | 2.205 (1.008) | 0.029 |
| Ventricular grade 3/4 | 1.722 (0.857) | 0.045 |
| No LIMA used | −3.096 (1.364) | 0.023 |
| CABG + valve or other cardiac procedure | 4.064 (1.561) | 0.009 |
↵* The R2 value for this model is 0.144.
SE = standard error, COPD = chronic obstructive pulmonary disease, LIMA = left internal mammary artery, CABG = coronary artery bypass grafting.