Impact of cause of death adjudication on the results of the European prostate cancer screening trial.

(Minor exceptions occurred when comparing models 1 and 2, for instance when the LR test showed borderline significance ( P ≈0.07) for Sweden, but the AIC criterion showed evidence of observer heterogeneity).

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Significant or borderline significant heterogeneity was found in all the countries except Belgium, but the absolute estimates of error rates were typically quite low.

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