Table 1 Baseline characteristics and postoperative outcomes for all included patients
Variables | 30-day mortality analysis (n = 1039) | LOS analysis* (n = 968) | 30-day discharge location analysis* (n = 735) |
|---|---|---|---|
Mean age (years) (SD) | 82.5 (8.10) | 82.2 (8.10) | 81.2 (7.91) |
Female sex (%) | 719 (69.2) | 668 (69.0) | 524 (67.6) |
Mean NHFS (SD) | 4.99 (1.50) | 4.93 (1.49) | 4.50 (1.31) |
Admission blood tests | Â | Â | Â |
 Mean Albumin (g/L) (SD) | 38.4 (4.14) | 38.7 (3.98) | 39.1 (4.05) |
 Median C-reactive protein (mg/L) (IQR) | 7.0 (2.0–28.0) | 7.0 (2.0–27.0) | 6.0 (2.0–24.0) |
 Median Neutrophil count (x109/L) (IQR) | 9.4 (7.0–12.1) | 9.4 (7.0–12.0) | 9.6 (7.1–12.2) |
 Median Lymphocyte count (x109/L) (IQR) | 1.0 (0.7–1.4) | 1.0 (0.7–1.4) | 1.0 (0.7–1.4) |
 Median NLR (IQR) | 9.0 (5.8–14.0) | 9.0 (5.7–13.9) | 9.3 (6.1–14.3) |
 Median Monocyte count (x109/L) (IQR) | 0.7 (0.5–0.9) | 0.7 (0.5–0.9) | 0.7 (0.5–0.9) |
 Median MLR (IQR) | 0.7 (0.5–1.0) | 0.7 (0.5–1.0) | 0.7 (0.5–1.0) |
Pre-fracture residential status (%) | Â | Â | Â |
 Own home/sheltered housing | 775 (74.6) | 733 (75.7) | 735 (100) |
 Residential care | 217 (20.9) | 191 (19.7) | - |
 Nursing care | 41 (3.9) | 38 (3.9) | - |
 Other hospital site / trust | 6 (0.6) | 6 (0.6) | - |
Study outcomes | Â | Â | Â |
30-day mortality (%) | 69 (6.6) | - | - |
 Median length of stay (IQR) | 18.0 (10.0–28.0) | 18.0 (10.0–28.0) | 19.0 (11.0–31.0) |
 Length of stay ≥ 28 days (%) | 273 (26.3) | 269 (27.8) | 223 (30.3) |
 Did not return home within 30 days (%) | 587 (56.5) | 516 (53.3) | 283 (38.5) |