Table 2.

Selected percentiles for the population according to smoking status

nTotal urinary NNAL, pg/mL
Percentiles (95% CI)
50th75th90th95th
Nonsmoker*5,2062.711.024.4
2.2-3.68.7-14.117.8-30.3
Smoker1,3933296431,2601,800
276-386530-7821,080-1,5401,580-2,710
  • *Based on a serum cotinine concentration of ≥10 ng/mL denoting a smoker.