. Author manuscript; available in PMC: 2011 Jun 1.

Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2010 May 25;19(6):1492–1497. doi: 10.1158/1055-9965.EPI-09-1195

Table 1.

Characteristics of patients with lung cancer and DNA adduct levels in the lung and blood MNC (N = 135)

Characteristic	n (%) or mean ± SD
Sex (male)	78 (57.8)
Race (Caucasian)	131 (97.0)
Smoking status
Current smokers	56 (41.5)
Ex-smokers	79 (58.5)
Histologic analysis
Adenocarcinoma	65 (48.1)
Squamous	44 (32.6)
Others^†	26 (19.3)
Age at diagnosis (years)	66.3 ± 10.6
DNA adduct levels, adducts per 10¹⁰ nucleotides^‡
Lung DNA adduct level (n = 135)	86.2 ± 4.7
Blood MNC DNA adduct level (n = 53)	36.4 ± 3.2
Pack-years (years)^§	63.5 ± 40.6

^†

Others include small-cell, large-cell, and mixed cell types.

^‡

GM ± GSD

^§

Pack-years = number of packs per day × years of smoking.