Clinical presentation predicts the outcome of patients with colon cancer

Table 2 Distribution of symptoms among patients, divided according to the Union for International Cancer Control TNM staging system n (%)

Stage	Abdominal pain	Diarrhea	Constipation	Vomit	Weight loss	Rectal bleeding	Melena	Change in BH1
1	10 (30.3)	3 (9.0)	11 (33.3)	1 (3.0)	11 (33.3)	8 (24.2)	1 (3.0)	11 (33.3)
2a	44 (62.8)	11 (15.7)	20 (28.6)	11 (15.7)	22 (31.4)	11 (15.7)	2 (2.8)	34 (48.6)
2b	2 (66.6)	0 (0.0)	0 (0.0)	1 (33.3)	0 (0.0)	0 (0.0)	0 (0.0)	0 (0.0)
3a	5 (45.4)	1 (9.0)	2 (18.2)	1 (9.0)	3 (27.3)	0 (0.0)	0 (0.0)	1 (9.0)
3b	15 (44.1)	3 (8.8)	8 (23.5)	3 (2.9)	6 (17.6)	5 (14.7)	1 (2.9)	10 (29.4)
3c	10 (37.0)	1 (3.7)	10 (37.0)	3 (11.1)	7 (25.9)	10 (37)	0 (0.0)	15 (55.5)
4	35 (60.3)	7 (12.1)	18 (31.3)	7 (12.1)	28 (48.3)	13 (22.4)	3 (5.2)	27 (46.5)
Total	121 (51.3)	26 (11)	69 (29.2)	27 (11.4)	77 (32.6)	47 (19.9)	7 (2.9)	98 (41.5)
P value	0.01	0.78	0.79	0.35	0.04	0.14	0.95	0.03

¹Staging system according to the Union for International Cancer Control. BH: Bowel habits.