Poisson multivariate regression of SIRs for cardiac procedures
| . | SIR . | SIR 95% CI . | IRR . | IRR 95% CI . | P . |
|---|---|---|---|---|---|
| Age, y | |||||
| < 2 | 7.21 | 4.54-11.44 | 1 | ||
| 20-29 | 2.61 | 1.79-3.80 | 0.35 | 0.19-0.64 | .001 |
| 30-39 | 2.07 | 1.34-3.22 | 0.28 | 0.15-0.53 | < .001 |
| 40-49 | 1.22 | 0.66-2.27 | 0.17 | 0.08-0.36 | < .001 |
| ≥ 50 | 0.87 | 0.51-1.46 | 0.11 | 0.05-0.23 | < .001 |
| Sex | |||||
| Female | 2.12 | 1.48-3.03 | 1 | ||
| Male | 1.80 | 1.37-2.33 | 0.83 | 0.53-1.30 | .42 |
| Mediastinal dose | |||||
| < 36 Gy | 0.91 | 0.29-2.83 | 1 | ||
| ≥ 36 Gy | 2.06 | 1.66-2.56 | 1.48 | 0.46-4.81 | .51 |
| Chemotherapy | |||||
| No | 1.98 | 1.56-2.51 | 1 | ||
| Yes | 1.67 | 1.10-2.57 | 0.86 | 0.52-1.41 | .55 |
| . | SIR . | SIR 95% CI . | IRR . | IRR 95% CI . | P . |
|---|---|---|---|---|---|
| Age, y | |||||
| < 2 | 7.21 | 4.54-11.44 | 1 | ||
| 20-29 | 2.61 | 1.79-3.80 | 0.35 | 0.19-0.64 | .001 |
| 30-39 | 2.07 | 1.34-3.22 | 0.28 | 0.15-0.53 | < .001 |
| 40-49 | 1.22 | 0.66-2.27 | 0.17 | 0.08-0.36 | < .001 |
| ≥ 50 | 0.87 | 0.51-1.46 | 0.11 | 0.05-0.23 | < .001 |
| Sex | |||||
| Female | 2.12 | 1.48-3.03 | 1 | ||
| Male | 1.80 | 1.37-2.33 | 0.83 | 0.53-1.30 | .42 |
| Mediastinal dose | |||||
| < 36 Gy | 0.91 | 0.29-2.83 | 1 | ||
| ≥ 36 Gy | 2.06 | 1.66-2.56 | 1.48 | 0.46-4.81 | .51 |
| Chemotherapy | |||||
| No | 1.98 | 1.56-2.51 | 1 | ||
| Yes | 1.67 | 1.10-2.57 | 0.86 | 0.52-1.41 | .55 |