Fig. 1
From: Epidemiologic patterns of biliary tract cancer in the United States: 2001–2015
BTC incidence rate ratio of different races/ethnicities: 2001–2015 [27]. Note: Incidence rates are ASR and reported as cases per 100,000 person-years. Incidence rate ratio = ASR (race/ethnicity)/White race ASR used as a reference group. Error bars show 95% CI. ASR age-standardized rate, AVC ampulla of Vater cancer, BTC biliary tract cancer, CI confidence interval, ECC extrahepatic cholangiocarcinoma, GBC gallbladder cancer, ICC intrahepatic cholangiocarcinoma, NOS not otherwise specified