Table 3.
Functional outcomes in patients according to allocated treatment*,†
| Outcome measure | Cemented | Uncemented | Mean difference or relative risk (95% CI) | p Value |
|---|---|---|---|---|
| Harris hip score | ||||
| Baseline | 82.4 (16.3) (n = 112) | 84.6 (15.1) (n = 108) | 2.26‡ (−1.9–6.4) | 0.29 |
| At 3 months | 70.9 (18.5) (n = 99) | 72.1 (19.7) (n = 90) | 1.18‡ (−4.3–6.7) | 0.67 |
| At 12 months | 78.9 (15.7) (n = 90) | 79.8 (17.6) (n = 77) | 0.89‡ (−4.2–6.0) | 0.73 |
| Barthel Index of 19 or 20 | ||||
| Baseline | 59 (53%) (n = 112) | 58 (54%) (n = 108) | 1.02 (0.77–1.36) | 0.89 |
| At discharge (7 days) | 8 (7%) (n = 109) | 14 (14%) (n = 104) | 1.07 (0.98–1.17) | 0.18 |
| At 3 months | 44 (44%) (n = 100) | 45 (50%) (n = 90) | 1.12 (0.86–1.47) | 0.47 |
| At 12 months | 45 (49%) (n = 91) | 48 (62%) (n = 77) | 1.34 (0.94–1.91) | 0.12 |
| EQ-5D index score | ||||
| At 3 months | 0.64 (0.26) (n = 73) | 0.58 (0.30) (n = 70) | −0.06‡ (−0.15–0.34) | 0.21 |
| At 12 months | 0.68 (0.23) (n = 56) | 0.61 (0.32) (n = 57) | −0.08‡ (−0.18–0.03) | 0.15 |
| EQ-5D visual analog scale | ||||
| At 3 months | 60 (17.7) (n = 78) | 62 (22.4) (n = 68) | 2.3‡ (−4.2 to 8.9) | 0.49 |
| At 12 months | 61 (17.7) (n = 61) | 65 (20.1) (n = 60) | 3.6‡ (−3.2–10.4) | 0.30 |
| Living in own home | ||||
| Baseline | 77 (69%) (n = 112) | 76 (70%) (n = 108) | 1.02 (0.86–1.22) | 0.89 |
| At discharge§ | 4 (4%) (n = 109) | 5 (5%) (n = 106) | 1.29 (0.36–4.66) | 0.75 |
| At 3 months | 66 (66%) (n = 100) | 61 (68%) (n = 90) | 1.03 (0.84–1.26) | 0.88 |
| At 12 months | 59 (65%) (n = 91) | 59 (77%) (n = 77) | 1.18 (0.97–1.44) | 0.13 |
| Not in need of any pain medication | ||||
| Baseline | 90 (80%) (n = 112) | 90 (83%) (n = 108) | 1.04 (0.92–1.18) | 0.60 |
| At discharge§ | 6 (6%) (n = 109) | 5 (5%) (n = 106) | 0.86 (0.27–2.72) | 1.00 |
| At 3 months | 60 (60%) (n = 100) | 54 (60%) (n = 90) | 1.00 (0.79–1.26) | 1.00 |
| At 12 months | 68 (75%) (n = 91) | 63 (82%) (n = 77) | 1.10 (0.93–1.28) | 0.35 |
| Able to walk independently using any aids | ||||
| Baseline | 112 (100%) (n = 112) | 108 (100%) (n = 108) | ||
| At discharge§ | 88 (81%) (n = 109) | 80 (75%) (n = 106) | 0.94 (0.81–1.08) | 0.41 |
| At 3 months | 94 (94%) (n = 100) | 82 (91%) (n = 90) | 0.97 (0.89–1.05) | 0.58 |
| At 12 months | 87 (96%) (n = 91) | 71 (92%) (n = 77) | 0.96 (0.89–1.04) | 0.52 |
*Number (n) varies because some information was missing for some patients; †values are expressed as mean, with standard deviation in parentheses, or as number of hips, with percentage in parentheses; ‡mean difference; §data collected at discharge from hospital or as close to 7 days as possible; 95% CI = 95% confidence interval.