Statistical information on 80+ score variables
| Regression coefficient (SE) | Mean or proportion | p Value | HR | 95% CI for HR | |
|---|---|---|---|---|---|
| eGFR* (per mL/min/1.73 m2) | −0.012 (0.004) | 40.285 | 0.001 | 0.988 | 0.981 to 0.995 |
| Social support (living in nursing home vs living alone or with spouse) | 0.481 (0.162) | 0.182 | 0.003 | 1.617 | 1.176 to 2.224 |
| Pulmonary disease† (vs not) | 0.607 (0.177) | 0.122 | 0.001 | 1.834 | 1.296 to 2.595 |
| Malignant disease‡ (vs not) | 0.506 (0.166) | 0.166 | 0.002 | 1.659 | 1.198 to 2.297 |
| Prescription of drug for peptic ulcer and GERD (vs not) | 0.362 (0.135) | 0.326 | 0.008 | 1.436 | 1.101 to 1.872 |
| Prescription of opioid drug (vs not) | 0.724 (0.157) | 0.179 | 0.000 | 2.063 | 1.517 to 2.806 |
| Prescription of non-TCA-antidepressant drug (vs not) | −0.558 (0.170) | 0.209 | 0.001 | 0.573 | 0.410 to 0.799 |
Variables selected from backward stepwise Cox regression.
*Cockroft-Gault formula eGFR.
†Asthma or COPD.
‡Past or present.
COPD, chronic obstructive pulmonary disease; eGFR, estimated glomerular filtration rate; GERD, gastroesophageal reflux disease; TCA, tricyclic antidepressant.