Table 2.
Patient and surgical characteristics in relation to periprosthetic femoral fractures. Values are number of cases (percentage) unless otherwise stated
| Total cohort n = 7,169 | Uncemented femoral stem n = 5,482 (76.5%) | Cemented femoral stem n = 1,687 (23.5%) | |
|---|---|---|---|
| Patient characteristics | |||
| Age, mean (range) | 68 (18–100) | 66 (18–97) | 75 (31–100) |
| Female sex | 3,928 (56) | 2,811 (51) | 1,117 (66) |
| Medically treated osteoporosis | 241 (3.4) | 119 (2.2) | 122 (7.2) |
| BMI, mean (range)a | 27 (15–55) | 27 (15–55) | 26 (15–46) |
| Mobility aid | 1,858 (26) | 1,164 (21) | 694 (41) |
| Alcohol consumption >2 units/day | 575 (8.0) | 503 (9.2) | 72 (4.3) |
| Smoker (%) | 1,144 (16) | 940 (17) | 204 (12) |
| Surgical characteristics | |||
| Diagnosis other than primary arthrosisa | 985 (13) | 709 (13) | 276 (16) |
| Previous surgery in the same hip | 440 (6.1) | 305 (5.6) | 135 (8.0) |
| Duration of surgery (range)b | 58 (18–225) | 55 (18–218) | 69 (28–225) |
| Outcomes – periprosthetic femoral fractures | |||
| Intraoperative | 70 (1.0) | 58 (1.1) | 12 (0.7) |
| Postoperative, without trauma | 51 (0.7) | 48 (0.9) | 3 (0.2) |
| Postoperative, fall-related | 29 (0.4) | 28 (0.5) | 1 (0.1) |
| Early, in total | 150 (2.1) | 134 (2.4) | 16 (0.9) |
a
Data missing in 29 cases.
b
Data missing in 8 cases.