Table 2. Overall survival in the control and UFT groups.

	No. of cases		8-year survival rate (%)
	A	B	A	B	P-value
Sex
Female	38	36	74.7	78.0	0.850
Male	49	49	43.6	71.6	0.013
Age (years)
<60	38	37	74.5	84.8	0.171
⩾60	49	48	45.9	65.4	0.153
PS
0	66	66	62.0	78.3	0.055
1, 2	21	19	43.4	62.2	0.460
pT
T1	41	44	56.4	87.7	0.014
T2	46	40	59.4	58.5	0.763
Histology
Adeno carcinoma	67	68	60.2	75.6	0.065
Non-adeno carcinoma	20	17	51.7	69.3	0.503
DNA pattern
Diploidy	18	17	53.5	86.7	0.078
Aneuploidy	69	68	59.0	71.3	0.158

Abbreviations: PS, performance status; pT, pathological tumour stage.