Table 1.

Demographics, Comorbidity, Vital Status, Surgical Evaluation, and Resection for Total Cohort and According to Age Group

Patient Characteristic	%						P-Value
	Overall (N = 9,553)	<70 (n = 1,519)	70–74 (n = 2,308)	75–79 (n = 2,459)	80–84 (n = 1,772)	≥85 (n = 1,495)
Female	58	50	55	57	60	69	<.001
Race
Non-Hispanic white	80	77	78	80	84	82	<.001
Non-Hispanic black	9	11	10	9	7	8
Hispanic	5	6	6	5	4	5
Other	6	6	5	6	5	5
Marital status
Married	51	65	60	54	45	28	<.001
Widowed	32	14	21	30	42	59
Charlson comorbidity score
0	56	61	57	56	55	53	<.001
1	26	23	26	27	26	26
2	11	10	10	10	11	11
3	7	5	7	7	8	10
Alive at 2 years	14	20	18	14	9	5	<.001
Surgical evaluation	69	81	78	72	63	45	<.001
Charlson comorbidity score of those undergoing surgical evaluation
0	71	80	79	73	66	47
1	69	83	79	73	61	41
2	68	85	79	71	57	44
≥3	61	73	69	65	58	45
Surgical resection	25	39	34	27	17	4	<.001
Charlson comorbidity score of those undergoing surgical resection
0	28	39	37	30	20	5
1	25	41	33	27	17	4
2	20	37	30	18	11	3
≥3	13	27	19	15	10	1
30-day mortality	7.4	7.0	6.9	8.1	6.8	11.5	.41