Table 1.
Demographics and Preoperative Factors Associated with Return to the Operating Room
| Variable | Return to Operating Room | Nonreturn to Operating Room | P |
|---|---|---|---|
| Occurrence of reoperation | 1850 (1.92) | 94,688 (98.08) | – |
| CPT 43644 | 1,205 (65.14) | 44,223 (46.70) | – |
| CPT 43645 | 44 (2.38) | 1,098 (1.16) | – |
| CPT 43775 | 601 (32.49) | 49,367 (52.14) | – |
| Race and ethnicity | |||
| White, non-Hispanic | 1,203 (65.03) | 58,901 (62.21) | .01 |
| White, Hispanic | 129 (6.97) | 6,518 (6.88) | .88 |
| Black, non-Hispanic | 252 (13.62) | 13,497 (14.25) | .44 |
| Black, Hispanic | 12 (0.65) | 806 (0.85) | .35 |
| Asian | 19 (1.03) | 743 (0.78) | .24 |
| Unknown, non-Hispanic | 24 (1.30) | 1549 (1.64) | .25 |
| Unknown, Hispanic | 30 (1.62) | 2094 (2.21) | .09 |
| Age ≥65 | 110 (5.95) | 4617 (4.88) | .03 |
| Male | 424 (22.92) | 19,780 (20.90) | .03 |
| ASA >2 | 1,308 (70.70) | 64,866 (68.50) | .04 |
| Diabetes | 536 (28.97) | 25,938 (27.39) | .13 |
| Current smoker | 221 (11.95) | 9,422 (9.95) | .005 |
| COPD | 63 (3.41) | 1,677 (1.77) | <.0001 |
| CHF | 15 (0.81) | 232 (0.25) | <.0001 |
| Hypertension | 1,021 (55.19) | 47,334 (49.99) | <.0001 |
| Presurgical sepsis | 13 (0.70) | 248 (0.26) | .0003 |
| Dyspnea | 289 (15.62) | 12,664 (13.37) | .005 |
| Functionally independent | 1,818 (98.27) | 93,996 (99.27) | <.0001 |
| Functionally partially dependent | 17 (0.92) | 385 (0.41) | .0007 |
| Functionally totally dependent | 3 (0.16) | 20 (0.02) | <.009 |
N = 96,538. Data are number of patients (percentage of total patients in the subgroup). Categorical variables were analyzed with chi-square and Fisher's exact test when appropriate.