TABLE 2.
Patient Demographics
| Characteristics | Total (n = 296) | ERAS (n = 100) | SOC (n = 196) | P value (FDR) |
|---|---|---|---|---|
| Age, mean (SD), y | 67.7 (7.1) | 66.7 (7.4) | 68.2 (6.9) | .07 (.11) |
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| Male, No. (%) | 280 (94.6) | 96 (96.0) | 184 (93.9) | .59 (.59) |
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| Body mass index, mean (SD) | 30.4 (2.9) | 30.6 (3.0) | 30.2 (2.8) | .28 (.30) |
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| Anesthesia, No. (%) | ||||
| Subarachnoid block monitored anesthesia | 100 (33.8) | 84 (84) | 16 (8.2) | .0001 (.0004) |
| General endotracheal anesthesia | 196 (66.2) | 16 (16) | 180 (91.8) | .0001 (.0004) |
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| Preoperative, mean (SD) | ||||
| Functional Independence Measurementa | 6.4 (0.7) | 6.2 (0.7) | 6.5 (0.7) | 01 (.03) |
| Knee flexion, degrees | 110.7 (13.3) | 109.4 (10.7) | 111.4 (14.4) | 18 (.22) |
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| Postsurgical narcotics use, No. (%) | ||||
| Within 3 mo | 141 (47.6) | 36 (36) | 105 (53.6) | .005 (.009) |
| Within 6 mo | 89 (30.1) | 16 (16) | 73 (37.2) | .0002 (.0006) |
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| Length of hospital stay, median (IQR), h | 47.4 (46.7) | 22.3 (2.8) | 66.8 (24.5) | .0001 (.0004) |
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| Postoperative, No. (%) | ||||
| Complications | 27 (9.1) | 5 (05) | 22 (11.2) | .09 (.12) |
| Nausea/vomiting | 32 (10.8) | 3 (03) | 29 (14.8) | .001 (.0031) |
Abbreviations: ERAS, enhanced recovery after surgery; FDR, false discovery rate; SOC, standard of care; IQR, interquartile range.
a
Range 1 to 7 with a higher score indicating better functional independence.