From: Air quality index from charcoal production sites, carboxyheamoglobin and lung function among occupationally exposed charcoal workers in South Western Nigeria
FEV1 (actual)
FEV1 (expected)
p value
Subjects
2.35 ± 0.73
2.82 ± 0.40
0.000
PEFR (actual)
PEFR (expected)
253.72 ± 103.45
529.61 ± 41.52