Table 3.

Odds of receiving selected rectal cancer pre-treatment and treatment services by hospital characteristics, adjusted for patient characteristics^*

	NCI Designation		Resident Program		Medical School Affiliation
	Yes vs. No		Yes vs. No		Major vs. None		Limited vs. None
Service	ORa	95% CIa	ORa	95% CIa	ORa	95% CIa	ORa	95% CIa
Clinical Staging
TRUS or Pelvic MRI	3.51	2.60–4.73	1.75	1.44–2.14	2.19	1.75–2.74	1.20	0.94–1.52
Pelvic CT	1.57	1.01–2.45	1.18	0.92–1.52	1.68	1.23–2.31	1.16	0.87–1.55
PET	1.52	1.08–2.12	1.37	1.08–1.73	1.41	1.08–1.86	1.33	1.01–1.75
Abdominal CT or MRI	1.80	1.10–2.93	1.20	0.93–1.55	1.72	1.24–2.40	1.15	0.85–1.54
Chest CT or X-ray	1.28	0.91–1.79	1.00	0.81–1.23	1.07	0.84–1.37	0.92	0.72–1.17
Any imaging above	2.30	0.82–6.42	1.03	0.64–1.64	1.15	0.65–2.04	0.95	0.55–1.61
CEA Test	1.90	1.39–2.61	1.38	1.15–1.66	1.34	1.08–1.67	1.18	0.95–1.47
Chemotherapy
Any chemotherapy received	1.79	1.20–2.69	1.14	0.92–1.43	1.18	0.91–1.54	1.02	0.79–1.31
Neoadjuvant chemotherapy received	2.32	1.71–3.16	1.45	1.20–1.75	1.52	1.21–1.90	1.15	0.92–1.44
Radiation Therapy
Any radiation received	1.72	1.18–2.51	1.15	0.93–1.42	1.31	1.01–1.68	1.09	0.86–1.39
Neoadjuvant radiation	2.66	1.93–3.67	1.60	1.32–1.94	1.76	1.40–2.20	1.24	0.99–1.55
Sphincter preserving surgery	1.06	0.78–1.44	1.13	0.93–1.37	1.16	0.92–1.46	1.00	0.80–1.25

^*Adjusted for age, gender, race, marital status, stage, Charlson count, rurality and registry; P values calculated using a two-sided Wald test.

^aOR=Odds Ratio, 95% CI=95% Confidence Interval