Table 4.

Adjusted Odds of Recommended Diagnostic Image/Procedure Order Placement and Completion

	Recommended diagnostic imaging/procedure
	Among patients for whom diagnostic testing recommended, likelihood that order was placed (n = 568)			Among patients with test ordered, likelihood of order completion (n = 460)
	Odds ratio	95% CI	p value	Odds ratio	95% CI	p value
Chief complaint, rectal bleeding as referent
Breast Lump	3.37	1.58, 7.19	< 0.01	7.06	2.89, 17.28	< 0.01
Age in years, 30–50 as referent
50–59	1.38	0.78, 2.45	0.27	1.04	0.53, 2.04	0.92
60–79	1.55	0.79, 3.04	0.20	2.06	0.84, 5.05	0.11
Sex, male as referent
Female	1.12	0.62, 2.02	0.70	0.81	0.40, 1.61	0.54
Race/ethnicity, White as referent
Non-White	1.59	0.94, 2.70	0.08	1.48	0.79, 2.77	0.22
Primary language, English as referent
Non-English	0.86	0.49, 1.48	0.58	1.62	0.83, 3.13	0.16
Insurance, commercial or Medicare as referent
Medicaid	1.21	0.75, 1.95	0.44	0.84	0.47, 1.50	0.56
Charlson Comorbidity Index, zero as referent
≥ 1	1.61	0.90, 2.90	0.11	1.28	0.65, 2.51	0.47
Time since most recent screening mammogram or colonoscopy, less than 2 years as referent
2–5 years	1.56	0.68, 3.57	0.30	0.70	0.22, 2.21	0.55
>5 years	3.50	1.29, 9.51	0.01	1.37	0.38, 4.95	0.63
Not documented or no prior screening	2.49	1.21, 5.10	0.01	0.88	0.32, 2.45	0.81
Risk factor for corresponding* cancer, zero as referent
≥ 1	0.93	0.59, 1.47	0.76	1.23	0.69, 2.18	0.49
Risk factor suggestive of non-cancer diagnosis, zero as referent
≥ 1	0.58	0.35, 0.95	0.03	1.38	0.73, 2.61	0.32
Number of face-to-face visits unrelated to corresponding chief complaint, zero as referent
≥ 1	0.42	0.25, 0.72	< 0.01	0.68	0.37, 1.26	0.22

*Corresponding cancer indicates breast cancer for patients presenting with breast lump and colorectal cancer for ones presenting with rectal bleeding