title: Is nasopharyngeal carcinoma more common in hakkas than in fukienese - a comparison within the taiwanese population.
abstract: This study is to ascertain whether Hakkas have a higher incidence of nasopharyngeal carcinoma (NPC) than Fukienese as being proposed. A total of 949 NPC patients during 1990-1993 were serially recruited. Their ethnicity and residential area since childhood were compared to the census data in 1956. The 95% confidence interval of odds ratios for Hakkas to Fukienese in various counties were found to overlap within a range from 0.85 to 1.15 without showing statistically significant difference from unity. This result indicates that there is no extra ethnic risk between the two groups in Taiwan.
authors: NATL TAIWAN UNIV HOSP,DEPT RADIAT ONCOL,TAIPEI,TAIWAN. NATL TAIWAN UNIV,COLL PUBL HLTH,DEPT EPIDEMIOL,TAIPEI 10764,TAIWAN.
authors: Y
authors: Y
authors: Wang
authors: S
authors: S
authors: Huang
authors: C
authors: C
authors: Chen
authors: L
authors: L
authors: Lui
authors: H
authors: H
authors: Leung
authors: L
authors: L
authors: Ting