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Table 2 Concentration of metals present in the BAL from smokers and non-smokers

From: Airway surface liquid from smokers promotes bacterial growth and biofilm formation via iron-lactoferrin imbalance

Element Metal concentration (ng/mL) P-valuea
Non-Smokers BAL Smokers BAL  
Aluminum BBL 0.73 (1.89) NA
Arsenic 3.46 (0.86) 4.24 (1.19) 0.0933
Calcium 811.7 (181.61) 856.8 (183.34) 0.5691
Chromium 0.003 (0.01) 0.03 (0.06) 0.1142
Copper 4.77 (4.9) 4 (2.26) 0.6411
Iron 6.38 (9.12) 23.37 (28.47) 0.0741
Lead BBL 0.07 (0.16) NA
Magnesium 389.06 (66.93) 428.76 (110.42) 0.3200
Manganese 0.12 (0.16) 0.21 (0.24) 0.2785
Nickel 0.22 (0.12) 0.5 (0.55) 0.1205
Vanadium BBL 0.06 (0.02) NA
Zinc 40.45 (20.99) 48.16 (35.06) 0.5385
  1. Data are expressed in mean (SD). BBL below blank level
  2. aCompared by unpaired t-test. NA not apply