Table 1 Sociodemographic, clinical, and WOMAC preintervention descriptive statistics of samples
From: Validation of a proposed WOMAC short form for patients with hip osteoarthritis
Parameter | Cohort 1 (n = 788) | Cohort 2 (n = 445) | P value |
|---|---|---|---|
Age, mean (SD) | 69.14 (8.91) | 68.42 (9.81) | 0.2039 |
Gender, women | 381 (48.35) | 221 (49.66) | 0.6579 |
Body mass index | Â | Â | 0.2707 |
   < 25 | 146 (19.36) | 99 (23.19) |  |
   25-30 | 358 (47.48) | 198 (46.37) |  |
   ≥ 30 | 250 (33.16) | 130 (30.44) |  |
Surgical risk | Â | Â | 0.5047 |
   ASA I-III | 773 (98.10) | 434 (97.53) |  |
   ASA IV | 15 (1.90) | 11 (2.47) |  |
Charlson comorbidity index | Â | Â | 0.9341 |
   0 | 463 (58.76) | 266 (59.78) |  |
   1 | 218 (27.66) | 121 (27.19) |  |
   >1 | 107 (13.58) | 58 (13.03) |  |
Pain categorical scale | Â | Â | 0.4593 |
   Minor | 32 (4.09) | 12 (2.72) |  |
   Moderate | 171 (21.87) | 96 (21.77) |  |
   Severe | 579 (74.04) | 333 (75.51) |  |
Functional limitation categorical scale | Â | Â | 0.0076 |
   Minor | 79 (10.04) | 36 (8.13) |  |
   Moderate | 422 (53.62) | 206 (46.50) |  |
   Severe | 286 (36.34) | 201 (45.37) |  |
WOMAC preintervention domains, mean (SD) | Â | Â | Â |
   Pain | 54.27 (18.63) | 58.16 (19.47) | 0.0006 |
   Function | 65.19 (16.61) | 68.44 (16.85) | 0.0011 |