Table 1.

Description of a set of commercially-insured US recipients of ICMs from 2011 to 2018, stratified by procedure setting.

	Inpatient n = 3113 (13%)	Outpatient n = 20,283 (87%)
Age, yrs; mean (standard deviation)	52.8 (10.1)	50.6 (11.7)
18–34	213 (7%)	2461 (12%)
35–44	350 (11%)	2686 (13%)
45–54	821 (26%)	5400 (27%)
55–64	1713 (55%)	9681 (48%)
65	16 (1%)	55 (< 1%)
Sex
Male	1806 (58%)	9867 (49%)
Plan type
Basic major medical or comprehensive	127 (4%)	651 (3%)
PPO-like	2279 (73%)	15,590 (77%)
HMO-like	411 (13%)	2046 (10%)
HDHP	153 (5%)	1190 (6%)
Missing	143 (5%)	806 (4%)
Region
South	1318 (42%)	8762 (43%)
North Central	713 (23%)	4589 (23%)
Northeast	812 (26%)	4312 (21%)
West	246 (8%)	2448 (12%)
Unknown	24 (1%)	172 (1%)
Charlson Comorbidity Index > 1	1216 (39%)	4832 (24%)

HDHP = high deductible health plan, HMO = health maintenance organization, ICM = implantable cardiac monitor, PPO = preferred provider organization.