Table 1.

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

Characteristicn (%) or mean ± SD
Sex (male)78 (57.8)
Race (Caucasian)131 (97.0)
Smoking status
    Current smokers56 (41.5)
    Ex-smokers79 (58.5)
Histologic analysis
    Adenocarcinoma65 (48.1)
    Squamous44 (32.6)
    Others*26 (19.3)
Age at diagnosis (y)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-years63.5 ± 40.6
  • *Others include small-cell, large-cell, and mixed cell types.

  • Geometric mean ± geometric SD.

  • Pack-years: number of packs per day × years of smoking.