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Table 1 Patient Characteristics (n = 626)

From: High prevalence of lung cancer in a surgical cohort of lung cancer patients a decade after smoking cessation

Demographics Number %
Gender   
Male 321 51.3
Female 305 48.7
Age (Mean ± SD) 70.1 ± 10.9  
Age (Median, Range) 71, 22-97  
Age ≤ 70 304 48.6
Age > 70 322 51.4
Pathologic Stage   
1 368 58.8
2 96 15.3
3 149 23.8
4 13 2.1
Years of Smoking Cessation for Former Smokers: Mean ± SD 18.1 ± 15.7  
Years of Smoking Cessation for Former Smokers: Median, IQR 16, 3-30  
Less than 1 year 56 13.6
1-10 years 110 26.8
11-20 years 87 21.2
21-30 years 66 16.1
31-40 years 44 10.7
41-50 years 40 9.7
51-60 years 8 1.9
Smoking Status   
Current Smokers 71 11.3
Former Smokers 411 65.7
Never-smokers 144 23.0
Pack Year (PY)   
0 144 23.0
1-20 117 18.7
21-50 207 33.1
51-100 131 20.9
≥ 100 27 4.3
Tumor Histology   
Adenocarcinoma 425 67.9
Non-adenocarcinoma 201 32.1
Detailed Tumor Histology   
Adenocarcinoma (A) 425 67.9
Adenosquamous (ASQ) 34 5.4
Squamous (SQ) 87 13.9
Bronchoalveolar (BAC) 32 5.1
Large Cell (L) 24 3.8
Small Cell (S) 14 2.2
Undifferentiated (U) 10 1.6