Multivariable Cox proportional hazard regression of the association between epiglottitis and potential risk factors
| Variables | Crude HR (95% CI) | P value | Adjusted HR (95% CI)* | P value |
| Exposure | ||||
| Non-ESRD | 1 | 1 | ||
| ESRD | 1.90 (1.23 to 2.92) | <0.01 | 1.89 (1.23 to 2.91) | <0.01 |
| Sex | ||||
| Women | 1 | 1 | ||
| Men | 1.34 (0.88 to 2.05) | 0.17 | 1.38 (0.89 to 2.14) | 0.15 |
| Age (years) | ||||
| 18–39 | 1 | 1 | ||
| 40–64 | 0.75 (0.39 to 1.44) | 0.38 | 0.91 (0.45 to 1.81) | 0.77 |
| ≥65 | 0.55 (0.27 to 1.11) | 0.09 | 0.59 (0.28 to 1.23) | 0.15 |
| Covariates | ||||
| COPD | 1.27 (0.83 to 1.95) | 0.26 | 1.40 (0.90 to 2.19) | 0.13 |
| DM | 0.76 (0.50 to 1.17) | 0.21 | 0.82 (0.52 to 1.27) | 0.36 |
| HTN | 0.70 (0.36 to 1.36) | 0.29 | 0.61 (0.32 to 1.19) | 0.15 |
| GERD | 0.70 (0.29 to 1.74) | 0.44 | 0.77 (0.31 to 1.92) | 0.57 |
| Liver cirrhosis | 1.31 (0.84 to 2.04) | 0.23 | 1.29 (0.82 to 2.01) | 0.27 |
*Cox model are adjusted by sex, age, monthly income, urbanised level and covariates.
COPD, chronic obstructive pulmonary disease; DM, diabetes mellitus; ESRD, end-stage renal disease; GERD, gastro-oesophageal reflux disease; HTN, hypertension .