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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