Gestational trophoblastic neoplasia in American Indians.

Objective: To analyze gestational trophoblastic neoplasia (GTN) trends among American Indians (AI) using population-based data.

Study Design: GTN incidence, by race and age, was calculated using data collected by the New Mexico Tumor Registry over 29 years (1973-2001). Live birth, pregnancy and women at risk were tabulated using data derived from the state's vital record annual reports and from the registry.

Ethnic differences at risk for gestational trophoblastic disease in New Mexico: A 25-year population-based study.

Objective: The purpose of this study was to compare gestational trophoblastic disease incidence rates with the use of population-based data.

Study Design: All incident cases between 1973 and 1997 and live birth, pregnancy, and women at risk were tabulated with the use of data that were derived from the New Mexico Tumor Registry and Vital Records and Health Statistics Annual Reports. Statistical methods included trends analyses, odds ratios, and Poisson regression.