Table 4.

Classification of the first series of tumors according to the number of altered APC or p53 alleles for the RER tumor subtype or the presence of TGF-βRII mutation

Gene	Mutated/deleted alleles, n	Tumors, n		χ2 P	No. with mutation in TGF-βRII		χ2 P
		RER+	RER−		Yes	No
APC	2	0	42		0	45
	1	1	21	<10−4	2	22	<10−4
	0	8	5		8	8
p53	2	0	36		0	39
	1	4	19	6 × 10−4	5	20	2 × 10−3
	0	9	17		9	22