Table 2.
Variable | p Value | OR | 95% CI |
---|---|---|---|
ASA Classification | |||
1 | - | - | -- |
2 | <0.001 | 5.2 | 2.6-10.2 |
3 | <0.001 | 4.3 | 2.2-8.5 |
4 | <0.001 | 4.1 | 1.9-8.6 |
Neoadjuvant therapy within 90 d prior to surgery | 0.010 | 0.8 | 0.7-0.9 |
Preoperative alkaline phosphatase ≥ 100 U/L | <0.001 | 1.4 | 1.2-1.7 |
Preoperative platelet count ≥ 450,000/μL | 0.019 | 2.0 | 1.1-3.7 |
Operative approach | |||
Laparoscopic | - | - | -- |
Open | <0.001 | 1.7 | 1.4-2.1 |
CPT | |||
47120 Partial lobectomy | - | - | -- |
47122 Trisegmentectomy | 0.012 | 1.5 | 1.1-2.1 |
47125 Left lobectomy | <0.001 | 1.7 | 1.3-2.3 |
47130 Right lobectomy | 0.109* | 1.2 | 1.0-1.5 |
Transfusion requirement† | <0.001 | 2.0 | 1.6-2.5 |
Operative time ≥ 300 min | 0.004 | 1.3 | 1.1-1.6 |
C statistic for model = 0.663.
ASA, American Society of Anesthesiologists Physical Status Classification; CPT, Current Procedural Terminology.
Not significant but included for comparison (n=508).
Includes transfusions intraoperatively and up to 72 hours postoperatively.