Research Article

Catastrophic Outcomes in Free Tissue Transfer: A Six-Year Review of the NSQIP Database

Table 5

Binomial logistic regression.

Predictor valueOdds ratio 95% confidence interval

Patient age0.4271.010.991.02
Male gender0.1161.430.922.23
BMI0.1350.970.941.01
Active smoker within one year0.4731.190.741.89
Previous OP <30 days0.1461.670.843.32
Wound classification 2, 3, or 40.0012.201.363.57
ASA classification III or IV0.0042.171.273.69
Diabetes0.0481.721.012.93
Hypertension0.1311.400.912.16
Dyspnea0.3041.370.752.51
Bleeding disorder0.0033.131.496.60
Open wound infection0.2751.330.802.22
Disseminated cancer0.8761.060.522.15
Cerebrovascular disease0.0212.251.134.49
Total operation time0.0001.0021.001.00

denotes significant value, .
H-L statistic: 0.736.
c-statistic: 0.815.
Criteria for inclusion into binomial logistic regression included < 0.2 on univariate analysis and > 10. BMI: body mass index; OP: operation; ASA: American Society of Anesthesiologists.