Characteristic Matched NSCLCa/TFSLTb(n=114) NSCLC only(n=36 ) TFSLT only(n=28 )
Age-yrMedian (range) 70 (32-88) 71 (37-86) 67.5 (28-83)
Sex-no. (%)
Male 68 (59.6) 16 (44.4) 15 (53.6)
Female 46 (40.4) 20 (55.6) 13 (46.4)
Stage-no. (%)
I/II 85 (74.6) 22 (61.1) 23 (82.1)
III/IV 29 (25.4) 14 (38.9) 5 (17.9)
Histologic characteristics-no. (%)
Adenocarcinoma 35 (30.7) 17 (47.2) 14 (50.0)
Squamous-cell 24 (21.1) 10 (27.8) 7 (25.0)
Large-cell 55 (48.2) 9 (25.0) 7 (25.0)
Tumor size-no. (%)
<3 cm 53 (46.5) 18 (50.0) 17 (60.7)
≥ 3 cm 61 (53.5) 18 (50.0) 11 (39.3)
Smoking status-no. (%)
Never 7 (6.1) 2 (5.6) 4 (14.3)
Light (< 20 pkyc) 13 (11.4) 2 (5.6) 2 (7.1)
Heavy (≥ 20 pky) 92 (80.7) 32 (88.9) 22 (78.6)
Unknown 2 (1.8) 0 (0.0) 0 (0.0)
anon-small cell lung cancer; btumor free surrounding lung tissue; cpack-year (a pack of cigarettes a day for a year), a unit for measuring the amount a person has smoked over a long period of time.
Table 1: Clinic characteristics of subjects.