TABLE 2.

Baseline Characteristics by Study Period for Patients With Stage I NSCLC in North Carolina, 2006–2015

CharacteristicTotal (N = 5504)2006–2010 (n = 2800)2011–2015 (n = 2704)P-Value
Age
 18–64961 (17)528 (19)433 (16).017
 65–691136 (21)562 (20)574 (21)
 70–741294 (24)642 (23)652 (24)
 75–791075 (20)566 (20)509 (19)
 80+1038 (19)502 (18)536 (20)
Sex
 Male2675 (49)1403 (50)1272 (47).023
 Female2829 (51)1397 (50)1432 (53)
Race
 NH-White4721 (86)2421 (86)2300 (85)0.231
 NH-Black681 (12)334 (12)347 (13)
 Hispanic37 (1)19 (1)18 (1)
 Other65 (1)26 (1)39 (1)
Insurance
 Privately Insured420 (8)212 (8)208 (8)< .001
 Any Medicaid922 (17)684 (24)238 (9)
 Medicare only4162 (76)1904 (68)2258 (84)
Elixhauser Comorbidity Index
 Weighted Mean Score (SD)5.0 (6.4)4.6 (5.9)5.5 (7.0)< .0001
Chronic Lung Disease
 Yes2929 (53)1457 (52)1472 (54).074
 No2575 (47)1343 (48)1232 (46)
Rural/Urban
 Urban3932 (71)2000 (71)1932 (71).192
 Suburban1394 (25)698 (25)696 (26)
 Isolated Rural178 (3)102 (4)76 (3)