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Retrospective Cohort Study
Copyright: ©Author(s) 2026.
World J Orthop. Aug 18, 2026; 17(8): 122060
Published online Aug 18, 2026. doi: 10.5312/wjo.122060
Table 3 Perioperative ambulatory surgery center outcomes by protocol, mean ± SD/median (25th-75th percentile)

Usual care (n = 208)
Opioid-sparing protocol (n = 82)
P value
Intraoperative MME130.0 (25.0-45.0)25.0 (25.0-39.4)0.119
Minutes in OR113.4 ± 37.6106.8 ± 27.80.099
PACU hours2.8 ± 1.52.4 ± 1.30.006
PACU opioids received, n (%)147 (70.7)45 (54.9)0.015
PACU MME15.0 (0.0-12.5)5.0 (0.0-5.0)< 0.001
LOS hours4.9 ± 1.94.1 ± 1.7< 0.001


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