Table 4.

Accuracy of clinical staging

	Accurate	Underestimated	Overestimated	p value
T-stage
Younger Group	211 (62.6)	69 (20.5)	57 (16.9)	0.033
Older Group	2530 (62.3)	653 (16.1)	876 (21.6)
Intestinal type	1524 (65.9)	238 (10.3)	551 (23.8)	<0.001
Diffuse and mixed type	1217 (58.4)	484 (23.2)	382 (18.3)
N-Stage
Younger Group	223 (66.2)	90 (26.7)	24 (7.1)	<0.001
Older Group	3014 (74.3)	716 (17.6)	329 (8.1)
Intestinal type	1802 (77.9)	322 (13.9)	189 (8.2)	<0.001
Diffuse and mixed type	1435 (69.0)	484 (23.2)	164 (7.9)