Hypothyroid patients and age, sex, and area of residence adjusted glaucoma (control) patients
28.668
68% F
median 62 (range 18–88)
CBD stone treatments: hypothyroid cohort 0.23%, control cohort 0.16%. After diagnosing hypothyroidism 56% more CBD stone treatments than after diagnosing glaucoma.
Patients with other diseases were excluded from the cohort to create a “purely” hypothyroid (or glaucoma) cohort of patients. Also no difference in any other medications between the groups.