Table 1 Patient characteristics and mean total scores on questionnaires for the reliability and validity study.
From: Reliability and concurrent validity of the Dutch hip and knee replacement expectations surveys
| Â | Reliability study | Validity study | ||
|---|---|---|---|---|
| Â | Hip | Knee | Hip | Knee |
N | 72 | 46 | 86 | 57 |
Female (N, %) | 56 (77.8) | 24 (52.2) | 63 (73.3) | 32 (56.1) |
Age in years (mean, SD) | 67.5 (9.7) | 69.9 (8.2) | 67.7 (10.4) | 69.6 (8.2) |
BMI in kg/m2 (mean, SD) | 25.9 (4.0) | 27.7 (4.6) | 26.1 (5.4) | 28.6 (5.1) |
Living situation | Â | Â | Â | Â |
   Living alone (N, %) | 20 (27.8) | 14 (30.4) | 22 (25.6) | 17 (29.8) |
   Living with partner and/or children (N, %) | 52 (72.2) | 32 (69.6) | 64 (74.4) | 40 (70.2) |
Highest educational level | Â | Â | Â | Â |
   Primary school (N, %) | 21 (29.2) | 24 (52.2) | 27 (31.4) | 31 (54.4) |
   Higher education (N, %) | 51 (70.8) | 22 (47.8) | 59 (68.6) | 26 (45.6) |
Operation performed in: | Â | Â | Â | Â |
   University Medical Center (N, %) | 13 (18.1) | 7 (15.2) | 20 (23.3) | 9 (15.8) |
   General hospital (N, %) | 59 (81.9) | 39 (84.8) | 66 (76.7) | 48 (84.2) |
Expectation Score A (mean, SD) | 66.8 (18.0) | 60.4 (20.3) | 65.5 (19.8) | 61.3 (20.5) |
Expectation Score B (mean, SD) | 67.3 (19.8) | 61.8 (20.8) | NA | NA |
Expectation WOMAC Score (mean, SD) | NA | NA | 81.1 (15.8) | 78.2 (16.6) |