Table 1.

Comparison of different false positive reduction schemes.

Publication	Data set size	Polyp information	Contrast fluid	Sensitivity level(s) %	FP reduction %	FP per patient after reduction
Gokturk et al.a	48 patients with the supine or prone scans	40 polyps sized from 2–15 mm	No	100 (95)	62 (60)	Unknown
Acar et al.b	48 patients with the supine or prone scans	40 polyps sized from 2–15 mm	No	100 (95)	35 (32)	Unknown
Hong et al.c	98 patients with both supine and prone scans	123 polyps with no size information	Unknown	100	97	5.8–6.2
Yoshida et al.d	43 patients with both supine and prone scans	12 polyps sized from 5–30 mm	No	100	97	2
Suzuki et al.e	73 patients with both supine and prone scans	28 polyps sized from 5–25 mm	No	96	33	2.1
Suzuki et al.f	73 patients with both supine and prone scans	28 polyps sized from 5–25 mm	No	96	63	1.1
This paper	44 patients with both supine and prone scans	45 polyps sized from 6–9 mm	Yes	71	56.6	5.38

^aReference ⁴.

^bReference ¹⁷.

^cReference ¹⁸.

^dReference ¹⁹.

^eReference ²⁰.

^fReference ²¹.