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Table 1 Summary demographics 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
Hips included in study 91 91  
 Left 44 (48.4%) 43 (47.3%) 0.882
 Right 47 (51.6%) 48 (52.7%)  
Gender
 Female 38 (41.8%) 42 (46.2%) 0.654
 Male 53 (58.2%) 49 (53.8%)  
Approach
 Anterior 87 (95.6%) 86 (94.5%) 0.732
 Posterior 4 (4.4%) 5 (5.5%)  
Age at surgery (years, mean, SD, range) 53.3 ± 7.2 (29.6- 65.8) 55.3 ± 6.9 (36.9 - 75.8) 0.12
BMI (kg/m2, mean, SD, range) 29.2 ± 5.2 (15.4- 44.3) 29.4 ± 5.8 (20.6- 47.8) 0.568
Charlson Comorbidity Index, n
 0 21 (23.1%) 20 (22.0%) 0.984
 1–2 61 (67.0%) 62 (68.1%)  
 ≥ 3 9 (9.9%) 9 (9.9%)  
  1. SD standard deviation, BMI body mass index, n sample size, mo months