Table 1

Demographic and clinical characteristics of patients who underwent total hip arthroplasty with the same-day admission or day surgery pathway

CharacteristicNo. (%) of patients*p value
SDA
n = 25
DS
n = 25
Age, mean ± SD, yr71.1 ± 10.060.6 ± 10.4< 0.001
Gender
 Male7 (28)11 (44)
 Female18 (72)14 (56)
Body mass index
 Mean28.1 ± 6.629.1 ± 5.10.6
 < 250 (0)0 (0)
 25–290 (0)0 (0)
 30–3424 (96)21 (84)
 ≥ 351 (4)4 (16)
Anesthesia
 Spinal20 (80)20 (80)
 Epidural0 (0)2 (8)
 General5 (20)3 (12)
ASA class
 10 (0)5 (20)
 218 (72)20 (80)
 36 (24)0 (0)
 41 (4)0 (0)
Charlson Comorbidity Index score
 Mean3.2 ± 1.32.0 ± 2.00.001
 12 (8)2 (8)
 25 (20)5 (20)
 38 (32)14 (56)
 46 (24)2 (8)
 53 (12)1 (4)
 61 (4)1 (4)
Side
 Left12 (48)12 (48)
 Right13 (52)13 (52)
Technique
 Uncemented19 (76)25 (100)
 Cemented6 (24)0 (0)
Surgical time, mean ± SD, min113.0 ± 24.588.2 ± 13.5< 0.001
LOS, mean ± SD, h45.1 ± 21.4
  • ASA = American Society of Anesthesiologists; DS = day surgery; LOS = length of stay; SD = standard deviation; SDA = same-day admission.

  • * Except where noted otherwise.