Abstract
Having knowledge or estimation of cancer incidence is necessary for planning and implementation of any cancer prevention and control programs. Population-based registries provide valuable information to achieve these objectives but require extra techniques to estimate the incidence rate. The present study aimed to estimate the esophageal cancer incidence using a log-linear method based on Tehran population-based cancer registry data. New cases of esophageal cancer reported by three sources of pathology reports, medical records, and death certificates to Tehran Metropolitan Area Cancer Registry Center during 2002-2006 were entered into the study and the incidence rate was estimated based on log-linear models. We used Akaike statistics to select the best-fit model. During 2002-2006, 1,458 new cases of esophageal cancer were reported by the mentioned sources to the population-based cancer registry. Based on the reported cases, cancer incidence was 4.5 per 100,000 population and this was estimated to be 10.5 per 100,000 by the log-linear method. Based on the obtained results, it can be concluded that an estimated incidence for 2004 of 8.3 per 100,000 population could be a good benchmark for the incidence of esophageal cancer in the population of Tehran metropolis.
Highlights
Awareness on cancer incidence is essential like to plan, control, and promote regional and national cancer control programs (Kamo et al, 2007)
Materials and Methods: New cases of esophageal cancer reported by three sources of pathology reports, medical records, and death certificates to Tehran Metropolitan Area Cancer Registry Center during 2002-2006 were entered into the study and the incidence rate was estimated based on log-linear models
Incomplete record system faces the incidence and survival values calculation with distortion (Aghaei et al, 2012). This is important enough that frequently an important part of quality control in cancer registration reported by the International Association for Research on Cancer (IARC) is based on the estimated cases number in community- not based on the registered cases (Parkin, 1994; Schouten et al, 1994; Ghojazadeh et al, 2013)
Summary
Awareness on cancer incidence is essential like to plan, control, and promote regional and national cancer control programs (Kamo et al, 2007). Incomplete record system faces the incidence and survival values calculation with distortion (Aghaei et al, 2012) This is important enough that frequently an important part of quality control in cancer registration reported by the International Association for Research on Cancer (IARC) is based on the estimated cases number in community- not based on the registered cases (Parkin, 1994; Schouten et al, 1994; Ghojazadeh et al, 2013). During the last few decades, capture-recapture methods have been increasingly used in epidemiology and for the promotion of health care methods They are used in various health fields to estimate hidden populations, incidence, and prevalence of diseases and special events. Materials and Methods: New cases of esophageal cancer reported by three sources of pathology reports, medical records, and death certificates to Tehran Metropolitan Area Cancer Registry Center during 2002-2006 were entered into the study and the incidence rate was estimated based on log-linear models. Conclusions: Based on the obtained results, it can be concluded that an estimated incidence for 2004 of 8.3 per 100,000 population could be a good benchmark for the incidence of esophageal cancer in the population of Tehran metropolis
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