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Table 2 Intraoperative data for both groups

From: Outpatient vs. inpatient hip arthroplasty: a matched case-control study on a 90-day complication rate and 2-year patient-reported outcomes

  Outpatient Inpatient P value
Follow-up (mo, mean, SD) 34.9 ± 7.2 (24.0–55.6) 37.8 ± 8.5 (24.0–57.6) 0.019
ASA Score1    0.076
 1 14 (16.5%) 18 (20.0%)  
 2 61 (71.8%) 51 (56.7%)  
 3 10 (11.8%) 21 (23.3%)  
Surgical time (min, mean, SD) 113.6 ± 30.1 116.1 ± 27.4 0.794
Blood loss (mL, mean, SD) 338.7 ± 187.6 396.1 ± 242.1 0.083
Hours at surgery center/hospital (hours, mean, SD) 6.8 ± 1.4 43.2 ± 20.3 < 0.001
Cup inclination (mean, SD) 41.0 ± 3.4 40.7 ± 3.3 0.543
Cup version (mean, SD) 19.5 ± 4.3 19.5 ± 3.8 0.971
Leg length discrepancy (mm, mean, SD) 0.13 ± 3.0 0.96 ± 3.3 0.162
Global offset (mm, mean, SD) 72.5 ± 7.6 73.6 ± 6.0 0.288
  1. 1ASA score only available for 85 outpatient cases and 90 inpatient cases
  2. SD standard deviation