Table 1 Estimated odds ratios from fixed effects and random intercept model
Variable | Model 1—fixed effects model | Model 2—random intercept model | ||
|---|---|---|---|---|
Odds ratio | 95% confidence interval | Odds ratio | 95% confidence interval | |
Age (per year increase) | 1.042 | (1.038, 1.047) | 1.043 | (1.039, 1.047) |
Systolic blood pressure (per mmHg) | 0.987 | (0.985, 0.988) | 0.987 | (0.985, 0.988) |
Respiratory rate (per breath) | 1.026 | (1.019, 1.032) | 1.025 | (1.019, 1.031) |
Serum urea nitrogen | 1.105 | (1.096, 1.114) | 1.106 | (1.097, 1.115) |
Low-sodium serum concentration (<136Â mEq/L) | 1.365 | (1.249, 1.493) | 1.364 | (1.246, 1.493) |
Low serum hemoglobin (<10.0Â g/dL) | 1.181 | (1.057, 1.319) | 1.172 | (1.049, 1.310) |
Cancer | 1.668 | (1.492, 1.864) | 1.682 | (1.504, 1.882) |
Chronic obstructive pulmonary disease | 1.331 | (1.221, 1.450) | 1.329 | (1.219, 1.450) |
Cerebrovascular disease | 1.328 | (1.207, 1.461) | 1.326 | (1.204, 1.460) |
Hepatic cirrhosis | 1.91 | (1.253, 2.910) | 1.914 | (1.253, 2.924) |
Dementia | 2.124 | (1.877, 2.402) | 2.136 | (1.887, 2.419) |