Table A1. Demographic and clinical characteristics of 513 patients diagnosed with colorectal cancer categorized in two groups: those included in analyses and those excluded from subsequent analyses due to lack of consensus on a missed opportunity.

	Patients included in analyses (n=381)		Patients excluded from analyses (n=132)		P valuea
	n	%	n	%
Age
Median	69		68		0.36
< 65	143	37.5	56	42.4	0.50
65–74	115	30.2	40	30.3
≥75	123	32.3	36	27.3
Race
White Caucasian	192	58.0	64	55.2	0.54
Black	106	32.0	43	37.1
Hispanic and other race	33	10.0	9	7.8
Comorbid medical diseases
Congestive heart failure	29	7.7	8	6.1	0.55
Coronary artery disease	81	21.3	30	22.7	0.72
Hypertension	235	61.7	87	65.9	0.39
Diabetes	92	24.2	40	30.3	0.16
Chronic obstructive pulmonary disease	49	12.9	19	14.4	0.65
Any of the above medical diseases	281	73.8	102	77.3	0.42
Comorbid psychological/mental disorders
Depression	39	10.2	20	15.2	0.13
Anxiety	12	3.2	8	3.1	0.14
Dementia	10	2.6	4	3.0	0.81
Post-traumatic stress disorder (PTSD)	20	5.3	4	3.0	0.30
Schizophrenia	2	0.5	2	1.5	0.27
Bipolar	6	1.6	1	0.8	0.49
Alcohol	61	16.0	22	16.7	0.86
Any of the above psychological/mental disorders	116	30.5	46	34.9	0.35

^aP value based on the nonparametric median two-sample test for median age, and on Pearson's χ² test for the rest of the variables.