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Table 3 The pulmonary function parameters at baseline, before and after of shift-work (n = 305)

From: Evaluation of pulmonary function among detergent powder factory workers- a cross sectional study in Semnan, Iran

Pulmonary function Parameters (%)

Baseline (Predicted)

Before shift

After shift

Total Changes (%) (Mean ± SD)

P value*

FVC

96.80

98.00

96.40

1.7 ± 7.75

< 0.001

FEV1

95.85

94.95

92.80

2.2 ± 7.96

< 0.001

FEV1/FVC

82.25

90.95

90.30

0.62 ± 5.20

0.038

PEF

99.15

100.15

99.20

0.97 ± 11.20

0.13

FEF (25–75%)

86.60

91.40

83.20

8.24 ± 19.50

< 0.001

  1. FVC forced vital capacity, FEV1 forced expiratory volume, PEF peak expiratory flow, FEF (25–75) forced expiratory flow at 25 and 75% of the pulmonary volume. Values are the mean ± standard deviation
  2. *Paired t-test and ANOVA
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Journal of Occupational Medicine and Toxicology

ISSN: 1745-6673