Table 3 Postoperative outcomes by LEFS quartile
Variable | LEFS quartile 1 (≤ 27) n = 350 | LEFS quartile 2 (28 to 35) n = 321 | LEFS quartile 3 (36 to 44) n = 354 | LEFS quartile 4 (> 44) n = 364 | P-Value |
|---|---|---|---|---|---|
LOS – avg. days ± SD | 1.7 ± 1.1 | 1.4 ± 0.9 | 1.3 ± 0.8 | 1.2 ± 1.0 | < 0.001 |
LOS – avg. hours ± SD | 46.3 ± 26.5 | 38.6 ± 22.1 | 37.5 ± 19.9 | 35.4 ± 22.9 | < 0.001 |
Same Day Discharge – n (%) | 6 (1.7) | 21 (6.5) | 19 (5.4) | 31 (8.5) | 0.001 |
Independent Ambulation – n (%)a | 173 (93.0) | 199 (99.0) | 216 (98.6) | 203 (99.5) | < 0.001 |
Last Six Clicks Mobility Scoreb | 18.2 ± 3.1 | 19.0 ± 2.8 | 19.1 ± 3.0 | 19.4 ± 2.9 | < 0.001 |
Last Six Clicks Activity Scorec | 21.8 ± 2.7 | 22.4 ± 1.9 | 22.9 ± 1.6 | 22.7 ± 1.7 | < 0.001 |
Discharged Home – n (%) | 290 (82.9) | 299 (93.1) | 334 (94.4) | 346 (95.1) | < 0.001 |
Postoperative LEFS – avg. ± SDd | 47.0 ± 14.9 | 52.1 ± 12.0 | 52.8 ± 11.5 | 57.0 ± 9.5 | < 0.001 |
Δ Pre- to Postoperative LEFS – avg. ± SDe | 26.4 ± 15.4 | 20.8 ± 11.8 | 13.3 ± 11.9 | 3.1 ± 11.7 | < 0.001 |