. 2009 Nov 4;35(6):661–668. doi: 10.1007/s00261-009-9586-8

Table 3.

Per-polyp sensitivity of CT colonography per size category and per lesion type for adenomatous polyps and for all histology types (double read)

	6–9 mm	≥10 mm
Pedunculated
Adenomas and carcinomas	95% (88–100)	95% (91–99)
Adenomas and carcinomas	38/40	104/109
All lesions^a	96% (90–100)	95% (91–99)
All lesions^a	43/45	112/118
Sessile
Adenomas and carcinomas	76% (67–85)*	95% (90–100)
Adenomas and carcinomas	65/86	60/63
All lesions^a	71% (64–79)*	93% (88–99)*
All lesions^a	90/126	71/76
Flat
Adenomas and carcinomas	42% (14–70)*	58% (30–86)*
Adenomas and carcinomas	5/12	7/12
All lesions^a	47% (25–70)*	57% (31–83)*
All lesions^a	9/19	8/14

^a All lesion types: adenoma, carcinoma, hyperplasia, hamartomous or infectious. Also includes not-removed polyps and polyps with unclear histology. Between brackets is the 95% confidence interval

* Significantly different sensitivity compared to the pedunculated lesions P < 0.05