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RESEARCH AND PRACTICE |
Douglas E. Morse, Walter J. Psoter, and Gustavo Cruz are with Department of Epidemiology and Health Promotion, New York University College of Dentistry, New York. Taína De La Torre Feliciano and Nayda Figueroa are with the Puerto Rican Central Cancer Registry, San Juan.
Correspondence: Requests for reprints should be sent to Douglas E. Morse, DDS, PhD, NYU College of Dentistry, Department of Epidemiology & Health Promotion, 250 Park Ave S, 6th Floor, New York, NY 10003-1402 (e-mail: dem5{at}nyu.edu).
We evaluated a possible disparity in the detection of very early oral cancers in Puerto Rico relative to the United States. The percentage of in situ (noninvasive) cases among all oral cancer cases was calculated separately for Puerto Rico and the United States using population-based cancer registry data (1992–2001). In situ cancers constituted 1.2% of oral cancer cases in Puerto Rico and 3.4% in the United States (P<.001). These findings suggest a disparity in very early oral cancer detection in Puerto Rico compared with the United States.
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