From: Discriminative potential of exhaled breath condensate biomarkers with respect to chronic obstructive pulmonary disease
Biomarker
Median [IQR], missing data
No COPD n = 279
COPD n = 21
Total n = 300
p-value
Lactate (µmol/L)
2.4 [0.8–4.6], 6
0.4 [0.2–2.1], 0
2.2 [0.6–4.5], 6
< 0.001
MDA (pg/mL)
255.5 [146.7–407.6], 3
288.8 [203.2–432.5], 0
261.2 [150.4–410.6], 3
0.12