TABLE 1.

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

CharacteristicTotal (N = 5504)Surgery (n = 3206)Radiation (n = 1309)No Treatment (n = 989)P-Value
Age
 18–64961672 (70)158 (16)131 (14)< .001
 65–691136767 (68)198 (17)171 (15)
 70–741294826 (64)288 (22)180 (14)
 75–791075591 (55)289 (27)195 (18)
 80+1038350 (34)376 (36)312 (30)
Sex
 Male26751549 (58)614 (23)512 (19)0.061
 Female28291657 (59)695 (25)477 (17)
Race
 NH-White47212791 (59)1127 (24)803 (17)< .001
 NH-Black681353 (52)165 (24)163 (24)
 Hispanic3723 (62)< 15< 15
 Other6539 (60)< 1515 (23)
Insurance
 Privately insured420341 (81)36 (9)43 (10)< .001
 Any Medicaid922408 (44)200 (22)314 (34)
 Medicare only41622457 (59)1073 (26)632 (15)
Elixhauser Comorbidity Index
 Mean Weighted Score (SD)5.0 (6.4)3.9 (5.6)6.5 (6.9)6.7 (7.5)< .0001
History of Chronic Lung Disease
 No25751713 (67)412 (16)450 (17)< .001
 Yes29291493 (51)897 (31)539 (18)
Rural/Urban
 Urban39322313 (59)917 (23)702 (18)0.105
 Suburban1394792 (57)357 (26)245 (18)
 Isolated Rural178101 (57)35 (20)42 (24)