Table 5.
Valid statistical analysis in the selected randomised controlled trial (RCT) and non RCT studies containing mean (range)
| Studies | Migration | |||||
|---|---|---|---|---|---|---|
| Translation (mm) | Rotation (degrees) | |||||
| RCT | ||||||
| Onsten et al. 1998 [27] | Cemented | Uncemented | Cemented | Uncemented | ||
| Transversal | 0.3 (0.01–2.5) | 0.3 (0–1.5) | 0.8 (0–8.7) | 0.6 (0.1–3.0) | ||
| Longitudinal | 0.4 (−0.2–5.0) | 0.2 (−0.3–1.1) | 0.7 (0–3.4) | 0.7 (0–2.1) | ||
| Sagittal | 0.2 (0–2.2) | 0.3 (0–1.7) | 0.6 (0–5.4) | 0.6 (0–2.6) | ||
| Digas et al. 2004 [30] | Cemented 1 | Cemented 2 | Uncemented | Cemented 1 | Cemented 2 | Uncemented |
| Transversal | –0.01 (−0.59–1.58) | –0.09 (−1.02–0.69) | 0.12 (−0.33–3.22) | –0.0– (−1.34–1.13) | –0.21 (−1.82–1.32) | 0.23 (−0.60–6.54) |
| Longitudinal | 0.12 (−0.05–0.71) | 0.12 (−0.13–1.07) | 0.15 (−0.13–1.00) | –0.05 (−2.45–2.20) | –0.08 (−1.49–0.75) | 0.03 (−0.87–3.16) |
| Sagittal | –0.01 (−1.23–0.70) | 0.02 (−0.72–0.49) | 0.06 (−0.72–0.49) | –0.01 (−2.61–1.42) | 0.06 (0.6–2.51) | 0.09 (−0.49–1.42) |
| Non-RCT | Wear | Harris hip score | ||||
| Cemented | Uncemented | Cemented | Uncemented | |||
| Clohisy et al. 2001 [34] | 0.08 (0–0.27) | 0.08 (0–0.23) | 87 (34–100) | 92 (60–100) | ||
| Gaffey et al. 2004 [33] | 0.10 (0–0.25) | 0.15 (0.01–0.36) | Not reported | Not reported | ||
| Hartofilakidis et al. 2009 [36] | 0.112 (0.01–0.34) | 0.114 (0–0.5) | Not reported | Not reported | ||
| Kim et al. 2003 [39] | 0.24 (0.08–0.57) | 0.32 (0.1–0.69) | 82 (55–96) | 82 (55–95) | ||
| Hearn et al. 1995 [35] | Not sufficiently reported | Not sufficiently reported | 92 (76–100) | 91 (56–100) | ||
| RCT | ||||||
| Onsten et al. 1998 [27] | 0.09 (0.02–0.26) | 0.1 (0.03–0.22) | 94a | 96b | ||
| Digas et al. 2004 [30]b | 0.45 (0.31–0.58) | 0.42 (0.29–0.55) | 0.21 (0.17–0.24) | 95 (69–100) | 89 (48–100) | 94 (54–100) |
a No statistical significant difference (CI 2.3–7.3)
b Wear measured as total 3D penetration