Table 3.

Detection rates of polyps or/and tumors by the novice physicians or expert nurses.

	Small polyp n = 32	Large polyp n = 34	Total n = 66
Novice physician A	27 (84.4%)	30 (88.2%)	57 (86.4%)
Novice physician B	21 (65.6%)	31 (91.2%)	52 (78.8%)
Two novice physicians	28 (87.5%)	33 (97.1%)	61 (92.4%)
Two expert nurses∗	31 (96.9%)	31 (91.2%)	62 (93.9%)
One expert nurse and one novice physician∗	32 (100%)	31 (91.2%)	63 (95.5%)

^∗The detection rates of tumor lesions by either one of the two readers.