Table 2.
Characteristic |
Multiple Complication (n = 97) |
No Complication (n = 815) |
P Value (Multiple Versus No Complications) |
Isolated Complication (n = 128) |
P Value (Multiple Versus Isolated Complications) |
Preoperative | |||||
Levelsa | 12 ± 5 | 10 ± 4 | <.0001 | 11 ± 4 | .42 |
Pelvic fixationb | 59 (61) | 236 (29) | <.001 | 65 (51) | .23 |
PSOb | 26 (27) | 82 (10) | <.001 | 30 (23) | .56 |
Interbodyb | 50 (52) | 230 (28) | <.0001 | 57 (45) | .28 |
Multiple-rod configurationb | 20 (21) | 108 (13) | .048 | 29 (23) | .74 |
Operative timea | 467 ± 211 | 389 ± 210 | .001 | 443 ± 147 | .95 |
Estimated blood lossa | 2358 ± 2015 | 1470 ± 1338 | <.0001 | 2147 ± 1800 | .88 |
Intraoperative RBCs transfused (U)a | 2.5 ± 2.4 | 0.96 ± 1.8 | <.0001 | 1.9 ± 2.2 | .06 |
Abbreviations: PSO, pedicle subtraction osteotomy; RBC, red blood cell.
Expressed as mean ± SD.
Expressed as n (%).