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Chi-Squared Analysis of Heterogeneous Preference of Conventional vs MIGS Surgeries Across Different Regions in the US. Absolute Procedure Counts and Standard Residuals are Denoted for Each Region
| Region | Conventional | MIGS | P |
|---|---|---|---|
| West | 7551 | 25,331 | <0.0001* |
| −5.69 | +3.24 | ||
| Southwest | 4578 | 15,757 | |
| −5.77 | +3.29 | ||
| Midwest | 8011 | 25,307 | |
| −1.74 | +0.99 | ||
| Southeast | 13,971 | 39,724 | |
| +7.03 | −4.01 | ||
| Northeast | 8742 | 25,816 | |
| +2.93 | −1.67 |
Notes: *Chi-square test: Standardized residuals all ± >2.
