Results of the conditional logistic regression model for 90-day mortality
| Variable* | OR† (95% CI) |
|---|---|
| AMA discharge from index admission | 2.51 (2.18–2.89) |
| Any AMA discharges in previous 5 yr | 0.82 (0.66–1.01) |
| No. of admissions in previous 5 yr (per admission) | 0.69 (0.68–0.69) |
| Household income quintile | |
| Urban 1 (lowest urban stratum) | 1.00 (ref) |
| Urban 2 | 0.95 (0.90–1.00) |
| Urban 3 | 0.89 (0.84–0.94) |
| Urban 4 | 0.85 (0.80–0.90) |
| Urban 5 (highest urban stratum) | 0.81 (0.76–0.87) |
| Rural 1 (lowest rural stratum) | 1.67 (1.58–1.77) |
| Rural 2 | 1.72 (1.63–1.81) |
| Rural 3 | 1.62 (1.53–1.71) |
| Rural 4 | 1.50 (1.41–1.59) |
| Rural 5 (highest rural stratum) | 1.23 (1.15–1.31) |
| Not calculated | 2.24 (2.11–2.38) |
| Comorbid conditions | |
| Metastatic cancer | 27.00 (25.82–28.23) |
| AIDS/HIV | 17.73 (11.77–26.70) |
| Lymphoma | 10.47 (9.52–11.51) |
| Liver disease | 4.51 (4.11–4.96) |
| Solid tumor without metastasis | 4.14 (3.97–4.32) |
| Renal failure | 3.40 (3.19–3.63) |
| Chronic pulmonary disease | 2.26 (2.17–2.35) |
| Drug abuse | 1.89 (1.62–2.20) |
| Diabetes | 1.86 (1.80–1.93) |
| Alcohol abuse | 1.30 (1.20–1.40) |
| Arrythmia | 1.19 (1.14–1.24) |
| Hypothyroidism | 1.05 (0.98–1.13) |
| Obesity | 0.87 (0.77–0.98) |
| Hypertension, uncomplicated | 0.86 (0.83–0.89) |
| Hypertension, complicated | 0.85 (0.78–0.92) |
Note: AMA = against medical advice, CI = confidence interval, OR = odds ratio.
↵* Only selected variables are shown; see online Appendix 6 for full results.
↵† Adjusted for AMA discharge status, year of index admission, comorbid conditions, household income, number of admissions in the previous 5 yr and the existence of any AMA discharges in the previous 5 yr. Exact matching occurred on age and sex.