Table 3.
Relative and attributable risks of complications and their 95% confidence intervals
| Surgery type and provider | ||
|---|---|---|
| Complex surgeries | Routine surgeries | |
| In all eyes | ||
| 30‐day complications | ||
| Relative risk a | 0.94 (0.70, 1.27) | 0.91 (0.74, 1.16) |
| Attributable risk b | −0.09 (−0.56, 0.38) | −0.06 (−0.19, 0.07) |
| 90‐day complication, % (n) | ||
| Relative risk | 0.95 (0.74, 1.22) | 0.89 (0.75, 1.05) |
| Attributable risk | −0.12 (−0.66, 0.43) | −0.11 (−0.26, 0.05) |
| In low‐risk eyes | ||
| 30‐day complications | ||
| Relative Risk | 0.85 (0.61, 1.18) | 0.85 (0.69, 1.06) |
| Attributable risk | −0.23 (−0.69, 0.24) | −0.10 (−0.22, 0.03) |
| 90‐day complication, % (n) | ||
| Relative risk | 0.85 (0.64, 1.12) | 0.83 (0.70, 0.99) |
| Attributable risk | −0.33 (−0.87, 0.22) | −0.17 (−0.32, −0.00) |
| In high‐risk eyes | ||
| 30‐day complications | ||
| Relative risk | 0.74 (0.34, 1.60) | 1.10 (0.52, 2.31) |
| Attributable risk | −1.60 (−5.65, 2.45) | 0.17 (−1.16, 1.49) |
| 90‐day complication, % (n) | ||
| Relative risk | 0.83 (0.43, 1.63) | 1.16 (0.63, 2.15) |
| Attributable risk | −1.26 (−5.89, 3.38) | 0.39 (−1.20, 1.99) |
Abbreviations: CC, Community Care; VHA, Veterans Health Administration.
a
Relative Risk = CC rate/VA rate.
b
Attributable Risk = (CC rate − VA rate) × 100.