Table 2.
Effects of factors on mortality measured by univariate analysis (N = 2589).
| Statistics | OR (95%CI) | P-value | |
|---|---|---|---|
| Age (year) | 79.67 (6.75) | 1.09 (1.07, 1.11) | < 0.0001 |
| Sex | |||
| Male | 835 (32.25%) | 1 | |
| Female | 1754 (67.75%) | 0.65 (0.51, 0.84) | 0.0010 |
| Injury mechanism | |||
| Falling | 2506 (96.79%) | 1 | |
| Accident | 67 (2.59%) | 0.37 (0.12, 1.19) | 0.0966 |
| Other | 16 (0.62%) | 1.83 (0.52, 6.48) | 0.3458 |
| Fracture classification | |||
| Intertrochanteric fracture | 1940 (74.93%) | 1 | |
| Femoral neck fracture | 649 (25.07%) | 0.75 (0.56, 1.02) | 0.0670 |
| Hypertension | 1267 (48.94%) | 1.15 (0.90, 1.47) | 0.2573 |
| Diabetes | 512 (19.78%) | 1.09 (0.80, 1.47) | 0.5882 |
| CHD | 1378 (53.23%) | 1.62 (1.26, 2.09) | 0.0002 |
| Arrhythmia | 879 (33.95%) | 1.25 (0.97, 1.61) | 0.0881 |
| Hemorrhagic stroke | 57 (2.20%) | 1.74 (0.87, 3.48) | 0.1180 |
| Ischemic stroke | 756 (29.20%) | 1.28 (0.99, 1.66) | 0.0634 |
| Cancer | 75 (2.90%) | 1.72 (0.93, 3.17) | 0.0815 |
| Multiple injuries | 186 (7.18%) | 1.21 (0.77, 1.89) | 0.4025 |
| Cognitive impairment | 105 (4.06%) | 2.51 (1.57, 4.03) | 0.0001 |
| COPD | 170 (6.57%) | 1.35 (0.86, 2.12) | 0.1879 |
| Hepatitis | 82 (3.17%) | 1.69 (0.94, 3.05) | 0.0801 |
| Gastritis | 45 (1.74%) | 0.78 (0.28, 2.20) | 0.6421 |
| Time to admission (h) | 81.78 (249.09) | 1.00 (1.00, 1.00) | 0.0513 |
| Time to operation (d) | 4.29 (2.57) | 1.05 (1.00, 1.10) | 0.0423 |
| Treatment strategy | |||
| Conservation | 228 (8.81%) | 1 | |
| ORIF | 1724 (66.59%) | 0.23 (0.17, 0.32) | < 0.0001 |
| HA | 602 (23.25%) | 0.23 (0.16, 0.34) | < 0.0001 |
| THA | 35 (1.35%) | 0.07 (0.01, 0.49) | 0.0080 |
| Operation time (min) | 93.08 (35.95) | 1.00 (1.00, 1.00) | 0.8223 |
| Blood loss (mL) | 241.41 (153.52) | 1.00 (1.00, 1.00) | 0.4813 |
| Infusion (mL) | 1556.06 (383.32) | 1.00 (1.00, 1.00) | 0.0629 |
| Stay in hospital (d) | 8.92 (3.72) | 1.04 (1.01, 1.07) | 0.0163 |
OR (95% CI). P-value: Univariate binary logistic regression.
CHD, coronary heart disease; COPD, chronic obstructive pulmonary disease; ORIF, open reduction and internal fixation; HA, hemiarthroplasty; THA, total hip arthroplasty.