Table 5.
Mortality rates at 30 days and 1 year for patients sustaining fractures in the lower extremities
| 30 days |
1 year |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Fracture location | Number of fractures | Mean age years (SD) | High-energy (%) | Proportion dead (%) | Expected dead (%) | SMR (CI) | Proportion dead (%) | Expected dead (%) | SMR (CI) |
| Acetabulum | 1,718 | 71 (19) | 25.2 | 4.3 | 0.5 | 8.2 (6.4–10.1) | 15.5 | 6.4 | 2.4 (2.1–2.7) |
| Femur proximal | 51,355 | 81 (11) | 1.4 | 7.5 | 0.8 | 10.0 (9.7–10.3) | 24.6 | 9.2 | 2.7 (2.6–2.7) |
| Femur diaphysis | 2,786 | 71 (22) | 15.6 | 6.2 | 0.6 | 11.0 (9.4–12.8) | 18.3 | 6.8 | 2.7 (2.5–2.9) |
| Femur distal | 2,476 | 73 (19) | 7.3 | 4.8 | 0.5 | 8.9 (7.4–10.6) | 17.7 | 6.6 | 2.7 (2.4–2.9) |
| Patella | 3,700 | 62 (20) | 6.1 | 0.4 | 0.2 | 1.7 (0.9–2.6) | 3.0 | 2.8 | 1.1 (0.9–1.3) |
| Tibia proximal | 6,450 | 56 (20) | 17.4 | 0.7 | 0.2 | 4.2 (3.0–5.5) | 3.8 | 2.0 | 1.9 (1.7–2.1) |
| Tibia diaphysis | 3,233 | 50 (21) | 23.5 | 1.1 | 0.1 | 8.2 (5.7–11.1) | 4.8 | 1.7 | 2.9 (2.5–3.4) |
| Tibia distal | 2,283 | 51(21) | 23.8 | 0.4 | 0.1 | 3.0 (1.4–5.2) | 4.2 | 1.8 | 2.4 (1.9–2.9) |
| Ankle | 32,975 | 55 (19) | 5.5 | 0.3 | 0.1 | 1.9 (1.6–2.4) | 2.2 | 1.6 | 1.4 (1.3–1.5) |
| Talus | 960 | 39 (17) | 38.8 | 0.1 | < 0.1 | 3.2 (0.0–12.4) | 0.4 | 0.4 | 1.0 (0.3–2.3) |
| Calcaneus | 1,919 | 48 (18) | 35.0 | 0.2 | 0.1 | 2.9 (0.8–6.5) | 1.3 | 0.9 | 1.5 (1.0–2.2) |
| Midfoot | 2,212 | 43 (18) | 20.9 | 0.1 | < 0.1 | 3.2 (0.6–7.7) | 9.0 | 0.5 | 1.7 (1.0–2.6) |
| Metatarsal | 12,475 | 48 (20) | 5.8 | 0.1 | 0.1 | 0.8 (0.4–1.5) | 1.4 | 1.1 | 1.3 (1.1–1.5) |
| Toe phalanx | 8,845 | 46 (18) | 6.5 | 0.1 | 0.1 | 1.6 (0.7–2.9) | 0.8 | 0.7 | 1.1 (0.9–1.4) |