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Poisson regression results.
| Total procedures | p value | Ligation | p value | TCDC | p value | |
|---|---|---|---|---|---|---|
| Overall time trend in number of procedures per year | — | < 0.001 | — | < 0.001 | — | < 0.001 |
| Mean ratio of post 2017 to 2017 or earlier number of procedures per year | 0.60 (0.41, 0.87) | 0.007 | 0.37 (0.23, 0.57) | < 0.001 | NA |
