Table 2.

Factors Associated With Chemotherapy Receipt^*

Variable	Effect	OR	95% CI	P
Colon
Age	(per year)	0.9	0.8 to 0.9	< .001
Sex	Female v male	0.7	0.4 to 1.1	.0839
Stage at diagnosis	III v II	8.2	4.2 to 15.9	< .001
Hospital LOS	Quartile 4 (longest) v quartile 1 (shortest)	0.3	0.1 to 0.6	.0027
Rectal
Age	(per year)	0.9	0.9 to 0.9	< .001
Sex	Female v male	0.6	0.4 to 1.0	.0347
Stage at diagnosis	III v II	2.5	1.6 to 4.1	.001
Previous cancer	1 v none	0.3	0.1 to 0.7	.0095
Colorectal
Age	(per year)	0.9	0.9 to 0.9	< .001
Sex	Female v male	0.6	0.5 to 0.9	.0064
Site	Colon v rectum	0.7	0.5 to 0.9	.0220
Stage at diagnosis	III v II	4.0	2.7 to 5.9	< .001
No. of positive lymph nodes	≥ 12 v < 12	0.8	0.6 to 1.1	.1630
	Unknown v < 12	2.7	1.1 to 7.1	.0388
Previous cancer	1 v 0	0.6	0.4 to 1.0	.0499
Hospital LOS	Quartile 4 (longest) v quartile 1 (shortest)	0.4	0.2 to 0.7	.0022
Readmission within 30 days	Yes v no	0.5	0.3 to 0.8	.0070

Abbreviations: LOS, length of stay; OR, odds ratio.

^*Significance set at P < .05.