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Table 3 Perioperative data

From: Enhanced recovery after surgery (ERAS) program for lumbar spine fusion

  Pre-ERAS (n = 123) Post-ERAS (n = 96) *p value
Preoperative pain score (NPRS) 63.7 (24.7) 69.5 (22.3) 0.0969
Pre-operative medications given orally on the day of surgery prior to OR
 • Gabapentin 900 mg 4 (3.3%) 75 (78.1%) <.0001
 • Acetaminophen 975 mg 3 (2.4%) 78 (81.3%) <.0001
 • Aprepitant 40 mg 1 (0.8%) 2 (2.1%) 0.5786
Number of levels fused
 • 1 71 (57.7%) 54 (56.3%) 0.8906
 • 2 52 (42.3%) 42 (43.8%) 0.8879
Estimated blood loss > 300 mL 24 (19.5%) 33 (34.4%) 0.0152
Blood products given in OR, #(%) 1 (0.8%) 1 (1.0%) 1.0000
Colloid given in OR 13 (10.6%) 8 (8.3%) 0.6480
Volume of crystalloid (mL) 2070.9 (736.2) 1761.5 (739.2) 0.0003
Drain placed 118 (95.9%) 96 (100.0%) 0.0720
Dexamethasone 8 mg IV intraoperative 6 (4.9%) 26 (27.1%) <.0001
Ketamine 30 mg on induction 2 (1.6%) 5 (5.2%) 0.2497
Duration of surgery (min) 184.7 (85.4) 212.2 (140.4) 0.3093
Intraoperative dural tear 4 (3.3%) 1 (1.0%) 0.3959