Table 2.

Peritoneal nodules seen by white-light versus NBI laparoscopy

	White light (n = 88)	NBI (n = 86)	p value
Image patdology classification (number of lesions)
Suspicious-appearing	63	61	0.50
Biopsy malignant	12	12	N/A
Biopsy benign	10	10	N/A
Biopsy not performed in patients with known peritoneal metastases	34	32	0.50
Biopsy not performed in patients without known peritoneal metastases	7	7	N/A
Non-suspicious-appearing	25	25	N/A
Not visualized	0	2	0.50
Median estimated diameter	2 (1–50) mm	2 (1–50) mm	N/A
Shape of lesion (number of lesions)			0.99
Round and flat	32	32
Round and raised	31	30
Irregular and flat	11	11
Irregular and raised	14	13

N/A not available since results were identical in group comparison