Table 2.
Summary of Missing Data across Datasets by Surgery Type
| Overall | Breast Reductions | Prosthetic Reconstruction | Autologous Reconstruction | Free Flap | Pressure Ulcer Repair | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NSQIP | TOPS | NSQIP | TOPS | NSQIP | TOPS | NSQIP | TOPS | NSQIP | TOPS | NSQIP | TOPS | |
| Missing age | 48 (0.1) | 3761 (6.3) | 5 (0.0) | 2130 (7.2) | 4 (0.0) | 1169 (5.1) | 0 (0.0) | 257 (5.4) | 23 (0.5) | 121 (11.9) | 16 (1.3) | 84 (7.9) |
| Missing ASA | 99 (0.1) | 20,733 (34.9) | 26 (0.1) | 8990 (30.2) | 48 (0.1) | 8393 (36.9) | 12 (0.1) | 2383 (49.8) | 9 (0.2) | 555 (54.6) | 4 (0.3) | 412 (38.9) |
| Missing BMI | 717 (0.8) | 24,084 (40.6) | 238 (0.9) | 10,925 (36.7) | 311 (0.6) | 9584 (42.1) | 60 (0.4) | 2141 (44.7) | 39 (0.8) | 698 (68.6) | 69 (5.7) | 736 (69.5) |
| Missing diabetes status | 0 (0.0) | 23,318 (39.3) | 0 (0.0) | 10,615 (35.7) | 0 (0.0) | 9038 (39.7) | 0 (0.0) | 2462 (51.4) | 0 (0.0) | 652 (64.1) | 0 (0.0) | 551 (52.0) |
| Missing admission type | 0 (0.0) | 84 (0.1) | 0 (0.0) | 7 (0.0) | 0 (0.0) | 60 (0.3) | 0 (0.0) | 17 (0.4) | 0 (0.0) | 0 | 0 | 0 |
| Missing race | 14,814 (15.6) | 7435 (12.5) | 7419 (28.5) | 3384 (11.4) | 4829 (10.0) | 2232 (9.8) | 1695 (11.9) | 1228 (25.7) | 750 (14.7) | 303 (29.8) | 121 (9.9) | 288 (27.2) |
| Missing smoker status | 1 (0.0) | 22,068 (37.2) | 0 (0.0) | 9910 (33.3) | 1 (0.0) | 8654 (38.0) | 0 (0.0) | 2410 (50.3) | 0 (0.0) | 609 (59.9) | 0 (0.0) | 485 (45.8) |
| Missing sex | 75 (0.1) | 0 (0.0) | 12 (0.0) | 0 (0.0) | 50 (0.1) | 0 (0.0) | 11 (0.1) | 0 (0.0) | 2 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |