Complex sentence: In Brazil, one study found that the frequency of ADPKD is 10.3% among patients on dialysis, and that the Brazilian prevalence of ADPKD is low among hemodialysis patients, with 9.2 cases per 100,000 population (or 1: 10,912).
Split into simpler sentences: In Brazil, the frequency of ADPKD is 10.3% among patients on dialysis. The Brazilian prevalence of ADPKD is low among hemodialysis patients, with 9.2 cases per 100,000 population (or 1: 10,912).