Table 1.
Crude Data Comparisons of Preoperative Patient Characteristics
| Overall | Breast Reductions | Prosthetic Reconstruction | Autologous Reconstruction | Free Flap | Pressure Ulcer Repair | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NSQIP | TOPS | P | NSQIP | TOPS | P | NSQIP | TOPS | P | NSQIP | TOPS | P | NSQIP | TOPS | P | NSQIP | TOPS | P | |
| N | 94,823 | 59,358 | 26,012 | 29,746 | 48,219 | 22,749 | 14,289 | 4787 | 5085 | 1017 | 1218 | 1059 | ||||||
| Age, mean (SD) | 50.00 (12.69) | 47.85 (13.31) | <0.001 | 44.96 (14.49) | 43.80 (14.07) | <0.001 | 51.12 (10.96) | 51.87 (10.85) | <0.001 | 51.90 (9.89) | 51.59 (9.80) | 0.062 | 58.79 (14.72) | 52.44 (16.85) | <0.001 | 54.77 (16.31) | 51.83 (16.18) | <0.001 |
| ASA class, n (%) | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | ||||||||||||
| 1 | 11,198 (11.8) | 14,613 (37.8) | 6275 (24.1) | 10,439 (50.3) | 4097 (8.5) | 3508 (24.4) | 706 (4.9) | 483 (20.1) | 117 (2.3) | 92 (19.9) | 3 (0.2) | 91 (14.1) | ||||||
| 2 | 59,467 (62.8) | 20,957 (54.3) | 15,688 (60.4) | 9304 (44.8) | 33,233 (69.0) | 9537 (66.4) | 9008 (63.1) | 1682 (70.0) | 1412 (27.8) | 217 (47.0) | 126 (10.4) | 217 (33.5) | ||||||
| 3 | 23,194 (24.5) | 2954 (7.6) | 3950 (15.2) | 999 (4.8) | 10,718 (22.2) | 1283 (8.9) | 4517 (31.6) | 236 (9.8) | 3204 (63.1) | 142 (30.7) | 805 (66.3) | 294 (45.4) | ||||||
| 4 | 863 (0.9) | 86 (0.2) | 72 (0.3) | 13 (0.1) | 123 (0.3) | 17 (0.1) | 46 (0.3) | 3 (0.1) | 342 (6.7) | 11 (2.4) | 280 (23.1) | 42 (6.5) | ||||||
| 5 | 2 (0.0) | 15 (0.0) | 1 (0.0) | 1 (0.0) | 0 (0.0) | 11 (0.1) | 0 (0.0) | 0 (0.0) | 1 (0.0) | 0 (0.0) | 0 (0.0) | 3 (0.5) | ||||||
| BMI, mean (SD) | 28.68 (6.57) | 28.72 (6.12) | 0.334 | 31.25 (6.44) | 30.11 (5.99) | <0.001 | 27.40 (6.36) | 26.85 (5.85) | <0.001 | 29.12 (5.97) | 28.47 (5.53) | <0.001 | 26.91 (6.46) | 27.67 (6.35) | 0.041 | 27.29 (7.68) | 27.58 (7.64) | 0.558 |
| Diabetes (preop), n (%) | 5989 (6.3) | 1459 (4.0) | <0.001 | 1483 (5.7) | 639 (3.3) | <0.001 | 2666 (5.5) | 581 (4.2) | <0.001 | 937 (6.6) | 118 (5.1) | 0.008 | 613 (12.1) | 28 (7.7) | 0.015 | 290 (23.8) | 93 (18.3) | 0.015 |
| Outpatient, n (%) | 46,721 (49.3) | 39,139 (66.0) | <0.001 | 22,595 (86.9) | 24,841 (83.5) | <0.001 | 22,945 (47.6) | 13,451 (59.3) | <0.001 | 910 (6.4) | 614 (12.9) | <0.001 | 144 (2.8) | 58 (5.7) | <0.001 | 127 (10.4) | 175 (16.5) | <0.001 |
| Male sex, n (%) | 4514 (4.8) | 2001 (3.4) | <0.001 | 330 (1.3) | 468 (1.6) | 0.004 | 95 (0.2) | 126 (0.6) | <0.001 | 49 (0.3) | 29 (0.6) | 0.02 | 3237 (63.7) | 647 (63.6) | 0.997 | 803 (65.9) | 731 (69.0) | 0.126 |
| Smoker status, n (%) | 11,082 (11.7) | 6976 (18.7) | <0.001 | 2489 (9.6) | 3014 (15.2) | <0.001 | 5550 (11.5) | 3081 (21.9) | <0.001 | 1372 (9.6) | 494 (20.8) | <0.001 | 1407 (27.7) | 194 (47.5) | <0.001 | 264 (21.7) | 193 (33.6) | <0.001 |
| Race, n (%) | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | ||||||||||||
| White | 64,563 (81.9) | 43,089 (83.0) | 13,044 (71.5) | 20,918 (79.3) | 36,931 (86.3) | 18,054 (88.0) | 10,022 (80.7) | 2910 (81.8) | 3766 (87.5) | 605 (84.7) | 800 (73.6) | 602 (78.1) | ||||||
| Black | 11,124 (14.1) | 5464 (10.5) | 4853 (26.6) | 3782 (14.3) | 3819 (8.9) | 1183 (5.8) | 1834 (14.8) | 317 (8.9) | 374 (8.7) | 59 (8.3) | 244 (22.4) | 123 (16.0) | ||||||
| Hispanic | 1177 (1.5) | 2567 (4.9) | 356 (1.9) | 1467 (5.6) | 600 (1.4) | 817 (4.0) | 181 (1.4) | 223 (6.3) | 30 (0.7) | 32 (4.5) | 10 (0.9) | 28 (3.6) | ||||||
| Asian | 2594 (3.3) | 652 (1.3) | 231 (1.3) | 152 (0.6) | 1761 (4.1) | 396 (1.9) | 467 (3.8) | 80 (2.2) | 121 (2.8) | 17 (2.4) | 14 (1.3) | 7 (0.9) | ||||||
| Native American or Pacific Islander | 551 (0.7) | 151 (0.3) | 109 (0.6) | 43 (0.2) | 279 (0.7) | 67 (0.3) | 90 (0.7) | 29 (0.8) | 44 (1.0) | 1 (0.1) | 29 (2.7) | 11 (1.4) | ||||||