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. 2022 Oct 24;9(2):115–122. doi: 10.36469/001c.38070

Table 1. Baseline Characteristics.

Characteristic Treated (n = 2712) Untreated (n = 1520)
Median follow-up time 1176.5 days (3.2 y); SD: 809 days (2.2 y) 1030.5 days (2.8 y); SD: 823 days (2.6 y)
Age (y), mean (SD) 61.6 (12.7) 62.5 (12.9)
Age group, n (%)
18-34 39 (1.4) 35 (2.3)
35-44 184 (6.8) 78 (5.1)
45-54 551 (20.3) 264 (17.4)
55-64 922 (34.0) 529 (34.8)
65-74 548 (20.2) 325 (21.4)
≥75 468 (17.3) 289 (19.0)
Gender, n (%)
Female 1285 (47.4) 736 (48.4)
Male 1427 (52.6) 784 (51.6)
Geographic region, n (%)
Northeast region 451 (16.6) 418 (27.5)
North central region 897 (33.1) 409 (26.9)
South region 1008 (37.2) 463 (30.5)
West region 354 (13.1) 228 (15.0)
Unknown region 2 (0.1) 2 (0.1)
Health plan, n (%)
Commercial 1703 (62.8) 918 (60.4)
Medicare 1009 (37.2) 602 (39.6)
Year of diagnosis, n (%)
2008 69 (2.5) 29 (1.9)
2009 151 (5.6) 102 (6.7)
2010 169 (6.2) 75 (4.9)
2011 204 (7.5) 83 (5.5)
2012 298 (11.0) 160 (10.5)
2013 363 (13.4) 196 (12.9)
2014 478 (17.6) 238 (15.7)
2015 589 (21.7) 373 (24.5)
2016 391 (14.4) 264 (17.4)
Baseline comorbidity, n (%)
Myocardial infarction 50 (1.8) 32 (2.1)
Congestive heart failure 112 (4.1) 83 (5.5)
Peripheral vascular disease 199 (7.3) 123 (8.1)
Cerebrovascular disease 180 (6.6) 114 (7.5)
Dementia 7 (0.3) 5 (0.3)
Chronic pulmonary disease 416 (15.3) 216 (14.2)
Connective tissue disease, rheumatic disease 109 (4.0) 39 (2.6)
Peptic ulcer disease 41 (1.5) 15 (1.0)
Mild liver disease 218 (8.0) 106 (7.0)
Diabetes without complications 483 (17.8) 264 (17.4)
Diabetes with complications 96 (3.5) 58 (3.8)
Paraplegia and hemiplegia 7 (0.3) 15 (1.0)
Renal disease 137 (5.1) 81 (5.3)
Cancer 716 (26.4) 407 (26.8)
Moderate or severe liver disease 8 (0.3) 4 (0.3)
Metastatic carcinoma 1 (0.0) 0 (0.0)