Table 1. Mutations in coding region of the bak gene in cervical carcinoma.

				Mutations at
	Stage	No. of cases	Cases with mutation	exon 3	exon 4	exon 6
Cancerous tissues	II	12	1	1a	0	0
	III	30	5	3b	2c	1d
Total	–	42	6e	4	2	1
Non-neoplastic tissues	–	32	0	0	0	0

^aCodon 60 (ATG→GTG: Met→Val).

^bCodon 30 (GAC→AAC: Asp→Asn)+codon 57 (GAC→AAC: Asp→Asn), codon 59 (GAG→GAA: Glu→Glu).

^cCodon 74 (GTG→ATG: Val→Met), codon 80 (ATC→ACC: Leu→Thr).

^dCodon 191 (GTG→GCG: Val→Ala).

^eP<0.05 vs control by Fisher's exact test.