Table 3.
Age and sex adjusted regression analysis of risk factors associated with death in the total sample
| Odds Ratio | 95% Confidence Interval | p-value | |
|---|---|---|---|
| Agea, years | 1.038 | 1.013, 1.065 | 0.003 |
| Sex | |||
| Male | 1.16 | 0.63, 2.14 | 0.636 |
| Female (Ref) | |||
| Dialysis vintagea, months | 1.002 | 0.997, 1.007 | 0.446 |
| Multimorbiditiesa, b (0 to 9) | 1.593 | 1.247, 2.036 | < 0.001 |
| Smoking | |||
| Yes | 1.123 | 0.56, 2.27 | 0.747 |
| No (Ref) | |||
| Diabetes | |||
| Yes | 1.34 | 0.71, 2.54 | 0.365 |
| No (Ref) | |||
| Obesity | |||
| Yes | 0.88 | 0.41, 1.88 | 0.745 |
| No (Ref) | |||
| Heart failure | |||
| Yes | 4.42 | 2.06, 9.49 | < 0.001 |
| No (Ref) | |||
| Coronary artery disease | |||
| Yes | 3.27 | 1.69, 6.30 | < 0.001 |
| No (Ref) | |||
| Lung disease | |||
| Yes | 2.03 | 0.85, 4.86 | 0.112 |
| No (Ref) | |||
| Cancer | |||
| Yes | 1.81 | 0.68, 4.76 | 0.233 |
| No (Ref) | |||
| History of stroke | |||
| Yes | 2.71 | 0.89, 8.28 | 0.08 |
| No (Ref) | |||
| Dementia | |||
| Yes | 4.46 | 0.77, 25.88 | 0.096 |
| No (Ref) | |||
| Fever | |||
| Yes | 6.66 | 1.94, 27.81 | 0.003 |
| No (Ref) | |||
| Diarrhea | |||
| Yes | 0.705 | 0.33, 1.51 | 0.366 |
| No (Ref) | |||
| Dyspnea | |||
| Yes | 14.11 | 5.84, 34.13 | < 0.001 |
| No (Ref) | |||
| Hypotension | |||
| Yes | 8.03 | 3.94, 16.36 | < 0.001 |
| No (Ref) | |||
| Pneumonia | |||
| Yes | 19.18 | 6.47, 56.83 | < 0.001 |
| No (Ref) | |||
| C-Reactive Protein | |||
| > 100 mg/L | 4.76 | 1.48, 15.30 | 0.009 |
| < 100 mg/L (Ref) | |||
| Admission to hospital | |||
| Yes | 12.70 | 5.25, 30.74 | < 0.001 |
| No (Ref) | |||
aFor continuous variables, the odds ratio refers to the change per unit of a given variable
b"Multimorbidities” is a continuous variable and reflects the sum of 9 comorbidities: Hypertension, diabetes, obesity, coronary artery disease, heart failure, history of stroke, lung disease, dementia, cancer