. Author manuscript; available in PMC: 2016 Aug 1.

Published in final edited form as: Radiology. 2015 Aug 14;278(2):422–429. doi: 10.1148/radiol.2015150294

Table 2.

Comparison of confirmed OC misses with concordant lesions (CTC TP)

Variable	Confirmed OC FN (N=31)	CTC/OC Concordant^‡ (N=1,535)	P-value

Polyp size	8.5 ± 3.3 mm	11.0 ± 9.0mm	0.123
Polyp Morphology
-Sessile/Pedunculated	74% (23/31)	83% (1280/1535)	0.220
-Flat	26% (8/31)	17% (255/1535)
Polyp Location
-Right Colon	71% (22/31)	47% (723/1535)	0.010
-Left Colon	29% (9/31)	53% (812/1535)
Diagnostic Confidence^*	2.8 ± 0.5	2.8 ± 0.5	1.00

Three-point scale at CTC: 3=most, 2=somewhat, 1=least;

^‡

Benign stricturing disease (N=15) excluded