) 75-84 31 225 (33.6) 85-94 45 725 (49.2) Average calendar year at entry 1983 Distribution by duration of follow-up, years (%) 1-4 35 703 (38.4) 5-9 26 503 (28.5) 10 + 30 780 (33.1) pattern did not change substantially across age or calendar period at cohort entry (data not shown). Stomach cancer A marginally significant 40% excess risk of gastric cardia cancer was observed (SIR = 1.4, 95% CI 1.0-1.9) in asthmatic patients, with no consistent change with follow-up duration (Table 3).
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Risk of adenocarcinomas of the oesophagus and gastric cardia in patients hospitalized for asthma.
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