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. Author manuscript; available in PMC: 2022 Mar 1.
Published in final edited form as: Lung Cancer. 2021 Jan 14;153:90–98. doi: 10.1016/j.lungcan.2021.01.015

Table 1.

Clinical and demographic characteristics of study subjects.

African American
(N=21)
White
(N=20)
Total
(N=41)
P-value
Age 0.39521
 Mean (SD) 67 (8) 69 (7) 68 (7)
 Median (IQR) 67 (62, 73) 71 (66, 73) 69 (64, 73)
 Range 51, 82 53, 80 51, 82
Gender, n (%) 1.00002
 Female 6 (28.6) 5 (25.0) 11 (26.8)
 Male 15 (71.4) 15 (75.0) 30 (73.2)
Pack Years 0.91041
 Mean (SD) 86 (67) 77 (47) 82 (58)
 Median (IQR) 67 (42, 134) 67 (33, 113) 67 (42, 125)
 Range 5, 250 7, 167 5, 250
Stage, n (%) 0.85782
 I 7 (33.3) 7 (35.0) 14 (34.1)
 II 7 (33.3) 8 (40.0) 15 (36.6)
 III/IV 7 (33.3) 5 (25.0) 12 (29.3)
1

Wilcoxon rank sum p-value;

2

Fisher Exact p-value