Table 1.
Patient characteristics according to fixation method
| Subgroups | Uncemented | Cemented | Total | p valuea | |
|---|---|---|---|---|---|
| ASA score | 1 | 3.5 % (90) | 4.5 % (393) | 4.3 % (483) | 0.212 |
| 2 | 36 % (912) | 35 % (3,014) | 35.0 % (3,926) | ||
| 3 | 55 % (1,390) | 55 % (4,750) | 54.8 % (6,145) | ||
| 4 | 5.6 % (142) | 5.9 % (508) | 5.8 % (650) | ||
| 5 | 0.1 % (2) | 0.0 % (4) | 0.1 % (6) | ||
| Age, years | 83.3 | 83.0 | 83.0 (SD 6.7) | ||
| Sex | Male | 26.1 % (661) | 25.4 % (2,199) | 25.5 % (2,860) | 0.47 |
| Female | 73.9 % (1,875) | 74.6 % (6,475) | 74.5 % (8,350) | ||
| Dementia | No dementia | 60.8 % (1,541) | 63.1 % (5,475) | 62.6 % (7,016) | 0.035 |
| Dementia | 28.5 % (706) | 25.5 % (2,183) | 26.2 % (2,889) | ||
| Unsure | 11.1 % (282) | 11.3 % (982) | 11.3 % (1,264) | ||
| Time from fracture to operation | 0–6 h | 4.2 % (106) | 3.0 % (258) | 3.2 % (364) | <0.001 |
| 6–12 h | 15.6 % (395) | 10.5 % (911) | 11.7 % (1,306) | ||
| 12–24 h | 35.3 % (894) | 34.2 % (2,963) | 34.4 % (3,857) | ||
| 24–48 h | 27.2 % (691) | 30.4 % (2,634) | 29.7 % (3,325) | ||
| >48 h | 17.7 % (450) | 22.0 % (1,908) | 21.0 % (2,358) |
No. of patients shown in parentheses
ap value for difference between patient subgroups of cemented and uncemented hemiarthroplasties