A significant trend was observed for race/color, TNM, and history of tobacco consumption.
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Temporal Trends in the Completeness of Epidemiological Variables in a Hospital-Based Cancer Registry of a Pediatric Oncology Center in Brazil.
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The sentences
The study found a trend of whitening and whiteness, with a worsening completeness of the race/color variable, and an increasing trend of non-completeness of the data [ 31 ].