Table 4.
Adjusted relationship between annual physician volume quartile and procedural success
| Overall Cohort | FLX Procedures | |||||||
|---|---|---|---|---|---|---|---|---|
| Volume Quartile | Odds Ratio | Lower 95% confidence bound | Upper 95% confidence bound | p-value | Odds Ratio | Lower 95% confidence bound | Upper 95% confidence bound | p-value |
| I vs. IV | 0.717 | 0.63 | 0.815 | <0.0001 | 0.809 | 0.649 | 1.009 | 0.0593 |
| II vs. IV | 0.794 | 0.707 | 0.891 | 0.0001 | 0.817 | 0.681 | 0.979 | 0.0288 |
| III vs. IV | 0.875 | 0.792 | 0.968 | 0.0091 | 0.965 | 0.825 | 1.128 | 0.6683 |