| Total n = 4805 | Op Time < 373 n = 2638 | Op time ≥ 373 n = 2167 | p-value |
Mean age (SD) | 63.9 (12.5) | 64.4 (12.7) | 63.3 (12.1) | 0.001 |
Age 65 or older (%) | 2459 (51.2%) | 1406 (53.3%) | 1053 (48.6%) | 0.001 |
Males (%) | 2481 (51.6%) | 1250 (47.4%) | 1231 (56.8%) | <0.0001 |
Diabetes | 1118 (23.3%) | 567 (21.5%) | 551 (25.4%) | 0.001 |
History of smoking | 1008 (21.0%) | 552 (20.9%) | 456 (21.0%) | 0.66 |
History of alcohol use | 93 (1.9%) | 57 (2.2%) | 36 (1.7%) | 0.06 |
History of COPD | 209 (4.3%) | 120 (4.6%) | 89 (4.1%) | 0.45 |
Myocardial infarction within 6 mo. | 8 (0.2%) | 2 (0.1%) | 6 (0.3%) | 0.03 |
Hypertension requiring medications | 2614 (54.4%) | 1420 (53.8%) | 1194 (55.1%) | 0.38 |
Congestive heart failure | 11 (0.2%) | 7 (0.3%) | 4 (0.2%) | 0.56 |
Transient ischemic attack | 62 (1.3%) | 40 (1.5%) | 22 (1.0%) | 0.03 |
Cerebrovascular disease | 37 (0.8%) | 19 (0.7%) | 18 (0.8%) | 0.13 |
Currently on steroids | 93 (1.9%) | 58 (2.2%) | 35 (1.6%) | 0.14 |
Bleeding disorder | 103 (2.1%) | 59 (2.2%) | 44 (2.0%) | 0.62 |
Disseminated cancer | 112 (2.3%) | 51 (1.9%) | 61 (2.8%) | 0.04 |
Prior radiation therapy | 140 (2.9%) | 55 (2.1%) | 85 (3.9%) | <0.0001 |
Prior chemotherapy | 146 (3.0%) | 53 (2.0%) | 93 (4.3%) | <0.0001 |
Transfusion before surgery | 63 (1.3%) | 28 (1.1%) | 35 (1.6%) | 0.09 |