Unadjusted and adjusted rate ratios comparing 1-year postoperative health services use and mortality among patients in the Ontario Bariatric Network and those who received bariatric surgery out of country
| Outcome | Unadjusted rate ratio (95% CI) | Adjusted* rate ratio (95% CI) |
|---|---|---|
| Hospital services | 0.88 (0.82–0.95) | 0.90 (0.84–0.97) |
| Emergency department visits | 0.92 (0.86–0.98) | 0.98 (0.92–1.05) |
| Days in hospital | 0.86 (0.73–1.00) | 0.88 (0.75–1.03) |
| Days in ICU | 0.74 (0.45–1.25) | 0.78 (0.45–1.35) |
| Ventilatory support | 0.68 (0.31–1.49) | 0.67 (0.27–1.65) |
| Physician assessments | 4.06 (3.66–4.50) | 4.10 (3.69–4.56) |
| Reoperations | 1.86 (1.37–2.53) | 1.84 (1.34–2.53) |
Note: CI = confidence interval, ICU = intensive care unit.
↵* Adjusted variables included age, sex, procedure, rurality, income quintile and comorbidity score.