Staging Laparoscopy in Carcinoma of Stomach: A Comparison with CECT Staging

Table 3

Statistical analysis of CECT and laparoscopic vis-a-vis histopathologic T and N staging.

	Sensitivity		Specifity		PPV		NPV		Accuracy
	CT	LAP	CT	LAP	CT	LAP	CT	LAP	CT	LAP
T status
T1/T2	75	80	88	90	43	57	97	97	86	89
T3	50	56	80	89	67	83	67	67	67	72
T4	69	92	70	78	65	71	74	95	69	83
Overall	65	76	79	86	58	70	79	86	74	81
N status
N0	78	80	89	81	88	75	80	85	83	81
N1	50	50	88	90	33	50	94	90	83	83
N2	71	80	82	90	71	86	82	86	78	86
N3	0	0	100	100	0	0	100	100	100	100
Overall	50	53	90	91	48	53	89	90	86	88