Table 1

Demographic and clinical characteristics of the study sample

CharacterisitcGroup; mean ± SD*p value
Early dischargeStandard care
Age, yr63.5 ± 4.165.4 ± 4.40.10
Male sex; no. (%)13 (50)13 (50)
BMI29.7 ± 4.330.7 ± 4.50.41
SF12 MCS58.3 ± 6.259.4 ± 7.60.59
SF12 PCS32.3 ± 6.231.6 ± 8.50.75
WOMAC total score51.6 ± 15.651.3 ± 14.70.94
  • BMI = body mass index; MCS = mental component score; PCS = physical component score; SD = standard deviation; WOMAC = Western Ontario & McMaster Universities Osteoarthritis Index.

  • * Unless indicated otherwise.