Table 2 Effects of factors on mortality measured by univariate analysis (N = 2387)
From: Elevated albumin: a protective factor against mortality in geriatric hip fracture patients
Factors | Statistics | HR (95%CI) | P-value |
|---|---|---|---|
Age (year) | 79.52 ± 6.80 | 1.08 (1.07, 1.09) | < 0.0001 |
Sex | Â | Â | Â |
 Male | 781 (32.72%) | 1.0 |  |
 Female | 1606 (67.28%) | 0.73 (0.63, 0.84) | < 0.0001 |
Occupation | Â | Â | Â |
 Retirement | 1386 (58.06%) | 1.0 |  |
 Farmer | 572 (23.96%) | 0.93 (0.78, 1.10) | 0.3965 |
 Other | 429 (17.97%) | 0.88 (0.72, 1.06) | 0.1775 |
History of allergy | Â | Â | Â |
 No | 2290 (95.94%) | 1.0 |  |
 Yes | 97 (4.06%) | 0.93 (0.64, 1.35) | 0.7158 |
Injury mechanism | Â | Â | Â |
 Falling | 2307 (96.65%) | 1.0 |  |
 Accident | 62 (2.60%) | 0.24 (0.11, 0.54) | 0.0006 |
 Other | 18 (0.75%) | 1.60 (0.83, 3.09) | 0.1593 |
Time to admission (hours) | 79.73 ± 256.62 | 1.00 (1.00, 1.00) | 0.1107 |
Fracture classification | Â | Â | Â |
 Intertrochanteric fracture | 1705 (71.43%) | 1.0 |  |
 Femoral neck fracture | 622 (26.06%) | 0.86 (0.72, 1.03) | 0.0920 |
 Subtrochanteric fracture | 60 (2.51%) | 0.69 (0.43, 1.12) | 0.1348 |
aCCI | Â | Â | Â |
 2 | 104 (4.36%) | 1.0 |  |
 3 | 464 (19.44%) | 2.81 (1.22, 6.46) | 0.0148 |
 4 | 967 (40.51%) | 6.77 (3.02, 15.19) | < 0.0001 |
 5 | 583 (24.42%) | 9.31 (4.14, 20.92) | < 0.0001 |
 6 | 207 (8.67%) | 11.78 (5.17, 26.84) | < 0.0001 |
 7 | 53 (2.22%) | 15.71 (6.54, 37.77) | < 0.0001 |
 8 | 8 (0.34%) | 29.32 (9.45, 91.03) | < 0.0001 |
 9 | 1 (0.04%) | 31.74 (3.82, 263.93) | 0.0014 |
Hypertension | Â | Â | Â |
 No | 1221 (51.15%) | 1.0 |  |
 Yes | 1166 (48.85%) | 1.12 (0.97, 1.29) | 0.1133 |
Diabetes Mellitus | Â | Â | Â |
 No | 1909 (79.97%) | 1.0 |  |
 Yes | 478 (20.03%) | 0.99 (0.83, 1.18) | 0.8672 |
CHD | Â | Â | Â |
 No | 1127 (47.21%) | 1.0 |  |
 Yes | 1260 (52.79%) | 1.35 (1.17, 1.55) | < 0.0001 |
Arrhythmia | Â | Â | Â |
 No | 1599 (66.99%) | 1.0 |  |
 Yes | 788 (33.01%) | 1.31 (1.14, 1.51) | 0.0002 |
Hemorrhagic stroke | Â | Â | Â |
 No | 2336 (97.86%) | 1.0 |  |
 Yes | 51 (2.14%) | 1.11 (0.70, 1.77) | 0.6561 |
Ischemic stroke | Â | Â | Â |
 No | 1695 (71.01%) | 1.0 |  |
 Yes | 692 (28.99%) | 1.44 (1.24, 1.67) | < 0.0001 |
Cancer | Â | Â | Â |
 No | 2316 (97.03%) | 1.0 |  |
 Yes | 71 (2.97%) | 1.79 (1.29, 2.50) | 0.0005 |
Associated injuries | Â | Â | Â |
 No | 2219 (92.96%) | 1.0 |  |
 Yes | 168 (7.04%) | 0.93 (0.70, 1.24) | 0.6313 |
Dementia | Â | Â | Â |
 No | 2289 (95.89%) | 1.0 |  |
 Yes | 98 (4.11%) | 2.81 (2.17, 3.65) | < 0.0001 |
COPD | Â | Â | Â |
 No | 2235 (93.63%) | 1.0 |  |
 Yes | 152 (6.37%) | 1.54 (1.20, 1.97) | 0.0006 |
Hepatitis | Â | Â | Â |
 No | 2310 (96.77%) | 1.0 |  |
 Yes | 77 (3.23%) | 1.46 (1.04, 2.06) | 0.0274 |
Gastritis | Â | Â | Â |
 No | 2347 (98.32%) | 1.0 |  |
 Yes | 40 (1.68%) | 0.97 (0.57, 1.65) | 0.9122 |
Albumin concentration (g/L) | 37.72 ± 4.03 | 0.91 (0.89, 0.92) | < 0.0001 |
Time to operation (days) | 4.29 ± 2.54 | 1.03 (1.00, 1.06) | 0.0427 |
Treatment strategy | Â | Â | Â |
 Conservation | 195 (8.17%) | 1.0 |  |
 ORIF | 1587 (66.49%) | 0.30 (0.25, 0.36) | < 0.0001 |
 HA | 571 (23.92%) | 0.32 (0.26, 0.41) | < 0.0001 |
 THA | 34 (1.42%) | 0.06 (0.02, 0.25) | < 0.0001 |
Operation time (mins) | 94.63 ± 37.26 | 1.00 (1.00, 1.00) | 0.0849 |
Blood loss (mL) | 245.09 ± 158.31 | 1.00 (1.00, 1.00) | 0.5711 |
Infusion (mL) | 1567.08 ± 388.57 | 1.00 (1.00, 1.00) | 0.0003 |
Transfusion (U) | 1.14 ± 1.27 | 1.06 (1.00, 1.13) | 0.0344 |