Pulmonary functionality among workers of a Central Italy waste-to-energy plant: a retrospective study

Table 2 Lung function parameters in low exposure and high exposure

	Mean	Difference	S.D.	S.E.	95% C.I.	p value*
FEV ₁ low exposure	0.22	− 0.07	0.43	0.06	(0.13–0.35)	0.34
FEV ₁ high exposure (Liters)	0.29	− 0.07	0.43	0.06	(0.13–0.35)	0.34
FVC low exposure	0.40	− 0.12	0.50	0.07	(0.32–0.58)	0.65
FVC high exposure (Liters)	0.52	− 0.12	0.50	0.07	(0.32–0.58)	0.65
FEV ₁ /VC low exposure	0.16	− 0.12	0.41	0.05	(0.10–0.31)	0.93
FEV ₁ /VC high exposure (Percentage)	0.28	− 0.12	0.41	0.05	(0.10–0.31)	0.93
FEF _25–75 % low exposure	0.19	− 0.05	0.41	0.05	(0.10–0.31)	0.43
FEF _25–75 % high exposure (Liters)	0.24	− 0.05	0.41	0.05	(0.10–0.31)	0.43

[S.D. Standard Deviation, S.E. Standard Error, 95% C.I. Confidence Interval]
* Mann Whitney U Test

ISSN: 1745-6673