. Author manuscript; available in PMC: 2020 Aug 1.

Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2019 Nov 18;29(2):278–287. doi: 10.1158/1055-9965.EPI-19-0775

Table 1.

Definition of repeat FOBT outcomes across studies

Outcome	Screening rounds	Numerator	Denominator	Key example
Proportion of Round 1 participants who completed repeat FOBT in Round 2	2	Completed FOBT in Round 2	Completed FOBT with negative result in Round 1	Baker, 2015²⁶
Proportion of patients who completed two, consecutive FOBT	2	Completed consecutive FOBT in Rounds 1 and 2	Eligible to complete FOBT in two screening rounds; negative result or did not complete FOBT in Round 1	Singal, 2018²⁰
Proportion of patients who completed FOBT in all screening rounds	≥3	Completed FOBT in all screening rounds	Eligible to complete FOBT in three or more screening rounds; negative result or did not complete FOBT in all but final round	Denis, 2015⁵⁰