Table 2.
Univariable and Multivariable Logistic Regression Analyses Evaluating Risk Factors for Severe Proximal Humerus Fracture.
| Variable | Univariable analysis | Multivariable logistic regression analysis | Odds ratio (95% CI) |
|---|---|---|---|
| Sex | 0.004 | 0.020a | 3.763 (1.236-11.459) |
| Age (continuous variable) | 0.001 | 0.009a | 1.044 (1.011-1.079) |
| Age (categorical variable) | 0.021 | ||
| Younger than 50 | 1 | ||
| 50-59 | 0.056 | 10.459 (0.946-115.616) | |
| 60-69 | 0.072 | 9.980 (0.816-122.115) | |
| 70-79 | 0.026a | 19.982 (1.419-281.284) | |
| 80 or older | 0.046a | 24.639 (1.053-576.672) | |
| History of hip fracture | 0.216 | 0.293 | NA |
| History of spine fracture | 0.632 | NA | |
| History of osteoporosis medication | 0.410 | NA | |
| BMI | 0.136 | 0.410 | NA |
| BMD (Hip) | 0.488 | NA | |
| BMD (Spine) | 0.714 | NA | |
| BMD (Total) | 0.480 | NA | |
| DTI (continuous variable) | 0.316 | NA | |
| DTI (categorical variable) - DTI < 1.4 - DTI ≥ 1.4 |
0.305 | NA | |
| CCI | 0.922 | NA | |
| Age-adjusted CCI | 0.073 | 0.284 | NA |
| Hosmer-Lemeshow test | P = .708 |
Abbreviations: BMD, bone mineral density; BMI, bone mass index; CCI, Charlson comorbidity index; CI, confidence interval; DTI, deltoid tuberosity index; NA, not applicable.
a Statistically significant.