Table 6.

Error detection rate by the QA tool and reviewers, categorized by the delineation cohorts

	QA tool		Reviewers – first session w/o QA tool		Reviewers – second session w/QA tool
	Minor errors	Major errors	Minor errors	Major errors	Minor errors	Major errors
Manipulated manual delineation	6/8	23/23	14/24	49/69	16/24	60/69
Control manual delineation	4/10	1/2	10/30	5/6	19/30	4/6
Automatic delineation	4/6	4/5	12/28	14/15	16/18	14/15
Propagated delineation	0/14	1/4	34/42	12/12	27/42	11/12