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Table 4 Age at gynecomastia diagnosis and risk of tumours in relation to follow up time. SIR values(95% CI).

From: Male gynecomastia and risk for malignant tumours – a cohort study

Tumour type Age at diagnosis   
  <50 years   >50 years
follow up 0–49 years =50–99 years =50–99 years
testicle 6.71(1.38–19.60) 0.00(0.00–119.54) 0.00(0.00–107.07)
esophagus cancer 0.00(0.00–337.54) 0.00(0.00–27.61) 4.75(1.00–13.90)
skin cancer (melanoma excl.) 0.00(0.00–36.76) 7.87(1.62–22.99) 2.84(1.36–5.23)
number 246 124 197
personyears 4869 1135 2292