1. Risk Factors for Primary Hepatocellular Carcinoma in Black and White Americans in 2000 
Lei Yu, Dana A. Sloane, Chuanfa Guo, Charles D. Howell 
Clinical Gastroenterology and Hepatology 
Volume 4, Issue 3, Pages (March 2006)
DOI: /j.cgh
Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions

2. Figure 1
Age-specific prevalence of HCC in black and white patients from NIS HCC patients were identified by ICD-9-CM code HCC risk factors were identified with ICD-9-CM codes as described in the the Methods section. ■, Black; □, white.
Clinical Gastroenterology and Hepatology 2006 4, DOI: ( /j.cgh )
Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions

3. Figure 2
Major HCC risk factors by ages (A) 11–60 and (B) 61 or older. HCC patients and HCC risk factors were identified by ICD-9-CM codes as described in Figure 1 and the Methods section. Letters indicate statistically significant differences between black and white HCC patients. (A) aP < .0001, bP = .03; (B) aP = .0017, bP = .01, cP = .04. ■, Black; □, white.
Clinical Gastroenterology and Hepatology 2006 4, DOI: ( /j.cgh )
Copyright © 2006 American Gastroenterological Association Institute Terms and Conditions