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Table 2 Gallstone events by non-alcoholic fatty liver disease (NAFLD) status

From: Non-alcoholic fatty liver disease associated with gallstones in females rather than males: a longitudinal cohort study in Chinese urban population

   N (%) Gallstone events (%) Person-year observation Event rate (per 1000 person-years)
All NAFLD 4713(42%) 289(6.1%) 9103.5 31.7
  non-NAFLD 6487(58%) 209(3.2%) 30032 7
Male NAFLD 2982(57%) 108(3.6%) 6097 17.7
  non-NAFLD 2245(43%) 166(7.4%) 12025.5 13.8
Female NAFLD 1731(29%) 181(10.5%) 3006.5 60.2
  non-NAFLD 4242(71%) 43(1%) 18006.5 2.4