Table 5.
Characteristics of Study Cohort by Anesthesia Type
| Characteristic | Standard | WALA | P Value |
|---|---|---|---|
| Total patients (%) | 28,657 (100) | 6,285 (100) | |
| CTR | 22,721 (68.4) | 3,255 (51.8) | < .001 |
| TFR | 8,996 (27.1) | 2,824 (45.0) | < .001 |
| DQR | 1,458 (4.4) | 206 (3.2) | < .001 |
| Gender (%) | |||
| Female | 17,565 (61.3) | 3,737 (59.0) | < .001 |
| Male | 11,092 (38.7) | 2,548 (41.0) | < .001 |
| Age, y (%) | |||
| 20–34 | 284 (1.0) | 27 (0.4) | <.001 |
| 35–44 | 921 (3.1) | 123 (1.9) | <.001 |
| 45–54 | 2,743 (9.4) | 460 (7.3) | <.001 |
| 55–64 | 4,570 (15.7) | 982 (15.5) | 0.69 |
| ≥ 65 | 20,625 (70.8) | 4,748 (75.0) | <.001 |
| Elixhauser Comorbidity Index (mean [SD]) | |||
| CTR | 7.82 (4.62) | 7.29 (4.56) | <.001 |
| TFR | 7.5 (4.57) | 6.83 (4.45) | <.001 |
| DQR | 6.7 (4.58) | 6.03 (4.63) | .053 |