Table 1.
Comparison of general clinical data between two groups
| Index | Survival group (n = 684) | Death group (n = 18) | Statistical values | p value |
|---|---|---|---|---|
| Gender [n(%)] | 0.951 | 0.329 | ||
| Male | 194 (28.4%) | 7 (38.9%) | ||
| Female | 490 (71.6%) | 11 (61.1%) | ||
| Age (years) | 80.00 (73.00, 86.00) | 91.00 (83.50, 93.25) | −4.004 | <0.001 |
| BMI (kg/m2) | 22.83 (20.03, 25.39) | 24.15 (20.57, 26.17) | −0.842 | 0.400 |
| Onset to admission (h) | 19.00 (7.00, 48.00) | 21.00 (5.75, 156.00) | −0.663 | 0.507 |
| Admission to surgery (d) | 0.00 (0.00,1.00) | 1.00 (0.00,1.00) | −0.532 | 0.594 |
| Number of comorbidities | 1.00 (0.00,2.00) | 1.00 (1.00,2.00) | −0.723 | 0.470 |
| Preoperative hemoglobin (g/L) | 121.00 (109.00, 133.00) | 117.00 (106.75, 132.00) | −0.624 | 0.533 |
| Preoperative albumin (g/L) | 40.20 (37.80, 42.60) | 36.60 (34.00, 39.08) | −3.734 | <0.001 |
| Fracture type [n(%)] | 0.156 | 0.693 | ||
| Femoral neck | 386 (56.4%) | 11 (61.1%) | ||
| Intertrochanteric and Subtrochanteric | 298 (43.6%) | 7 (38.9%) | ||
| Type of anesthesia [n(%)] | — | 0.617 | ||
| Local | 646 (94.4%) | 18 (100.0%) | ||
| General | 38 (5.6%) | 0 (0.0%) | ||
| NHFS | 4.00 (3.00, 5.00) | 5.00 (5.00, 6.00) | −4.937 | <0.001 |
| ASA grade [n (%)] | 15.884 | <0.001 | ||
| I | 489 (71.5%) | 9 (50.0%) | ||
| II | 188 (27.5%) | 7 (38.9%) | ||
| III | 7 (1.0%) | 2 (11.1%) |
Note: the data were expressed as median (interquartile range) or n (frequency).
Abbreviation: BMI: body mass index; NHFS: Nottingham Hip Fracture Score; ASA: American Society of Anaesthesiologists.