Table 5.
Multivariate logistic regression analysis of association of resting heart rate (HR) and root-mean-square of R-R interval successive difference with the moderate-to-high suicide risk.
| aOR | 95% CI | P | |
|---|---|---|---|
| Model 1: HR as an independent variable | |||
| HR | 1.012 | 0.998–1.026 | 0.098 |
| Age | 0.969 | 0.956–0.983 | <0.001 |
| Sex | 0.844 | 0.582–1.225 | 0.372 |
| HAM-D score | 1.239 | 1.185–1.296 | <0.001 |
| HAM-A score | 0.950 | 0.914–0.987 | 0.008 |
| Primary diagnosis | <0.001 | ||
| - Major depressive disorder | 5.237 | 3.428–8.001 | <0.001 |
| - Bipolar and related disorder | 8.037 | 4.436–14.563 | <0.001 |
| Model 2: RMSSD as an independent variable | |||
| RMSSD | 0.981 | 0.966–0.997 | 0.019 |
| Age | 0.962 | 0.948–0.976 | <0.001 |
| Sex | 0.871 | 0.599–1.267 | 0.460 |
| HAM-D score | 1.241 | 1.186–1.298 | <0.001 |
| HAM-A score | 0.949 | 0.913–0.986 | 0.008 |
| Primary diagnosis | <0.001 | ||
| - Major depressive disorder | 5.237 | 3.427–8.005 | <0.001 |
| - Bipolar and related disorder | 8.142 | 4.487–14.774 | <0.001 |
MINI, Mini-International Neuropsychiatric Interview; HR, resting state heart rate; SE, standard error; HAM-D, Hamilton depression scale; HAM-A, Hamilton anxiety scale; RMSSD, root mean square of R-R interval of successive differences.