Table 1.
Data on all hips included in the study
| Characteristics | 2007 (n = 199) |
2008 (n = 173) |
p-value |
|---|---|---|---|
| Age a | 81 (8) | 82 (8) | 0.2 |
| Sex b | |||
| Female | 145 (73) | 132 (76) | 0.5 |
| Male | 54 (27) | 41 (24) | |
| Weight (kg) a | 64 (13) | 64 (14) | 1.0 |
| Height (cm) a | 168 (8) | 166 (9) | 0.2 |
| ASA-category b | 0.3 | ||
| ASA 1 or 2 | 106 (53) | 80 (36) | 0.2 |
| ASA 3 or 4 | 93 (47) | 93 (64) | |
| Cognitive dysfunction b | |||
| No | 156 (78) | 132 (68) | 0.8 |
| Probable | 16 (11) | 17 (13) | |
| Certain | 27 (11) | 24 (19) | |
| Surgical approach b | |||
| Anterolateral | 46 (23) | 134 (78) | < 0.001 |
| Posterolateral | 153 (77) | 39 (22) | |
| Indicationb | |||
| Primary | 157 (79) | 152 (88) | 0.02 |
| Secondary | 42 (21) | 21 (12) | |
| Type of arthroplasty b | |||
| HA | 104 (52) | 116 (67) | 0.004 |
| Cemented THA | 44 (22) | 44 (25) | |
| Reversed hybrid THA | 51 (26) | 13 (8) | |
| Surgeons experience b | |||
| Consultant | 195 (98) | 162 (93) | 0.03 |
| Registrar | 4 (2) | 11 (7) | |
a mean (SD)
b n (%)