Bivariate and multivariable conditional logistic regression of serum sodium levels on hospital-acquired falls
| Serum sodium (mEq/L) | Controls (n) | Cases (n) | Unadjusted OR (95% CI) | OR adjusted for multiple risk factors* (95% CI) |
| 125 or lower | 5 | 12 | 4.82 (1.54 to 15.12) | 5.08 (1.43 to 18.08) |
| 126–134 | 150 | 136 | 1.37 (1.04 to 1.81) | 1.27 (0.94 to 1.73) |
| 135 or greater | 762 | 469 | Reference | Reference |
*Conditional logistic regression model adjusted for high BUN, high creatinine, high BUN to creatinine ratio, age, race, gender, high fall risk score, acute mental status change, and medical conditions of dementia, hypertension, congestive heart failure, diabetes and stroke.
BUN, blood urea nitrogen.