Table V.
Adjusted Odds Ratios for Perioperative Mortality By Volume Quintile with High Volume (Quintile 5 as Reference)
Surgeon Volume | Surgeon Volume Adjusted for Hospital Volume | Hospital Volume | Hospital Volume Adjusted for Surgeon Volume | |
---|---|---|---|---|
Odds Ratio (95% CI) | Odds Ratio (95% CI) | |||
Quintile 1 | ||||
EVAR | 1.1 (0.9–1.3) | 0.9 (0.7–1.1) | 1.4 (1.2–1.7)a | 1.5 (1.2–1.9)a |
Open | 1.6 (1.4–1.9)a | 1.5 (1.3–1.7)a | 1.5 (1.3–1.8)a | 1.3 (1.1–1.5)a |
Quintile 2 | ||||
EVAR | 1.0 (0.8–1.2) | 0.9 (0.7–1.1) | 1.2 (1.0–1.4) | 1.3 (1.0–1.6)a |
Open | 1.4 (1.2–1.7)a | 1.3 (1.1–1.6)a | 1.4 (1.2–1.7)a | 1.2 (1.1–1.5)a |
Quintile 3 | ||||
EVAR | 0.9 (0.8–1.1) | 0.9 (0.7–1.1) | 1.2 (1.0–1.4) | 1.3 (1.0–1.6)a |
Open | 1.3 (1.1–1.5)a | 1.2 (1.0–1.4)a | 1.3 (1.1–1.5)a | 1.2 (1.0–1.4) |
Quintile 4 | ||||
EVAR | 0.9 (0.7–1.1) | 0.8 (0.7–1.0) | 1.2 (1.0–1.4) | 1.2 (1.0–1.5) |
Open | 1.2 (1.0–1.4)a | 1.2 (1.0–1.4) | 1.2 (1.0–1.4) | 1.1 (1.0–1.3) |
Statistically significant effect, CI: Confidence Interval