Table I.

Patient characteristics.

			Gender, n		Tumor location, n		Stage of disease, n
Group	Total, n	Age range, years (mean)	Male	Female	Rectum	Colon	II	III	IV
Chemotherapy	50	25–82 (58)	30	20	20	30	14	7	29
Sensitive	25	30–82 (59)	15	10	11	14	6	3	16
Resistant	25	25–81 (57)	15	10	9	16	8	4	13
P-value		>0.05a	>0.05b		>0.05c			>0.05d

^aSensitive vs. resistant

^bMale vs. female

^crectum vs. colon

^dII vs. III vs. IV.