Table 1.
Characteristics of the study population [data are expressed as n (%)].
| Variables | In-hospital mortality |
p value | OR (95% CI) | ||
|---|---|---|---|---|---|
| Yes | No | ||||
| No. of patients | 331 | 38 | 293 | ||
| Age (years)a* | 83.7 (67–98) | 87.7 (81–97) | 83.2 (67–98) | <0.001 | |
| Age (years)c | |||||
| ≤ 84 | 171 (51.7) | 13 (34.2) | 158 (53.9) | 0.05 | |
| 85-89 | 87 (26.3) | 12 (31.6) | 75 (25.6) | ||
| ≥ 90 | 73 (22.1) | 13 (34.2) | 60 (20.5) | ||
| Sexc | |||||
| Male | 242 (73.1) | 15 (39.5) | 74 (25.3) | 0.07 | |
| Female | 89 (26.9) | 23 (60.5) | 219 (74.7) | ||
| Residencec | |||||
| Home | 286 (86.4) | 33 (86.8) | 253 (86.4) | 0.61 | |
| Nursing | 45 (13.6) | 5 (13.2) | 40 (13.7) | ||
| Fracture patternc | |||||
| Femoral neck | 191 (57.7) | 17 (44.7) | 174 (59.4) | 0.21 | |
| Pertrochanteric | 124 (37.5) | 19 (50.0) | 105 (35.8) | ||
| Subtrochanteric | 16 (4.8) | 2 (5.3) | 14 (4.8) | ||
| Fracture patternc | |||||
| Intracapsular | 191 (57.7) | 17 (44.7) | 174 (59.4) | 0.11 | |
| Extracapsular | 140 (42.3) | 21 (55.3) | 119 (40.6) | ||
| Parker and Palmer scorea* | 5.1 (1–9) | 3.4 (1–9) | 6.3 (4–9) | <0.001 | |
| Dependent mobilityc | 66 (19.9) | 23 (60.5) | 43 (14.7) | <0.001 | 8.9 (4.3–18.4) |
| Katz scorea* | 4.7 (0–6) | 3.5 (0–6) | 5.4 (3–6) | <0.001 | |
| Dependence patientsc | 98 (29.6) | 28 (73.7) | 70 (23.9) | <0.001 | 8.9 (4.1–19.2) |
| Hemoglobin (g/L)a* | 125 (91–142) | 117 (91–128) | 123 (109–142) | 0.004 | |
| Hemoglobin (g/L)c | |||||
| <100 | 30 (9.1) | 9 (23.7) | 21 (7.2) | 0.003 | 4.0 (1.6–9.5) |
| ≥100 | 301 (90.9) | 29 (76.3) | 272 (92.8) | ||
| Anticoagulant medicationc | 23 (7.0) | 3 (7.9) | 20 (6.8) | 0.73 | |
| Antiaggregant medicationc | 83 (25.1) | 2 (5.3) | 81 (27.7) | <0.001 | 0.14 (0.03–0.61) |
| Time to surgery (days)b* | 3.6 ± 2.1 | 4.1 ± 2.8 | 3.5 ± 2.0 | 0.36 | |
| Time to surgery > 2 daysc | 204/310 (65.8) | 15/24 (62.5) | 189/286 (66.1) | 0.44 | |
| Treatmentc | |||||
| Surgical | 310 (93.6) | 24 (63.1) | 286 (97.6) | <0.001 | 23.8 (8.7–64.6) |
| Non-surgical | 21 (6.4) | 14 (36.9) | 7 (2.4) | ||
| Surgical treatmentc | |||||
| Cemented hemiarthroplasty | 177 (57.0) | 15 (62.5) | 162 (56.6) | 0.47 | |
| Screws | 16 (5.1) | 0 | 16 (5.5) | ||
| Proximal femoral nail | 117 (37.9) | 9 (37.5) | 108 (37.9) | ||
* Means and ranges.
a
Student's t-test.
b
Mann-Whitney U test.
c
Chi-square test.