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. Author manuscript; available in PMC: 2016 Nov 1.
Published in final edited form as: Eur Urol. 2015 Mar 16;68(5):885–890. doi: 10.1016/j.eururo.2015.02.042

Table 2.

Cumulative incidence rate ratio (RR) by risk category for the original data and after data imputation

Original data After data imputation
Risk Category Screening Control RR (95%CI) Screening Control RR (95%CI)
1 LOW Risk 4,442 60% 2,543 42% 2·29 (2·18 ; 2·42) 65% 47% 2·14 (2·03 ; 2·25)
2 INTERMEDIATE Risk 1625 22% 1711 28% 1·27 (1·18 ; 1·37) 24% 30% 1·24 (1·16 ; 1·34)
3 HIGH Risk 519 7% 667 11% 1·02 (0·90 ; 1·15) 8% 12% 1·00 (0·89 ; 1·13)
4 M1 And/Or Psa 100+ Risk 252 3% 586 10% 0·56 (0·48 ; 0·65) 4% 11% 0·60 (0·52 ; 0·70)
5 Missing Values 570 8% 600 10% 1·01 (0·90 ; 1·13) - -
Total 7,408 100% 6,107 100% 1·56 (1·50 ; 1·62) 100% 100% 1·56 (1·51 ; 1·62)