Table 3.

Survival of 97 rectal cancer cases and its correlation to p53 and K-ras gene mutation

Survival (year)	p53 mutation		K-ras mutation		p53 and K-ras mutation
	(-)	(+)	(-)	(+)	Neither	Either	Both
1 -	86.52	95.83	91.04	91.53	81.25	93.48	93.44
2 -	77.04	82.30	87.79	75.37	71.48	86.55	72.29
3 -	67.25	73.16	74.79	67.93	54.17	79.44	65.06
4 -	64.33	62.32	66.91	61.36	54.17	71.08	56.38
5 -	64.33	62.32	66.91	61.36	54.17	71.08	56.38
P	0.5672		0.4536		0.2030