BPG is committed to discovery and dissemination of knowledge
Basic Study
©The Author(s) 2016.
World J Respirol. Mar 28, 2016; 6(1): 24-32
Published online Mar 28, 2016. doi: 10.5320/wjr.v6.i1.24
Table 5 Comparison of the subjects with normal spirogram, possibly restrictive, obstructive or mixed pattern for both groups1
Period of timeSpirogram pattern n (%)
NormalRestrictiveObstructiveMixed
Before exposure, at the start of the work seasonExposed40 (87.4)6 (11.8)5 (9.8)0
Unexposed45 (88.2)4 (7.8)2 (3.9)0
After exposure, at the start of the work seasonExposed39 (76.5)4 (7.8)8 (15.7)0
Unexposed45 (88.2)4 (7.8)2 (3.9)0
At the end of the work season2Exposed27 (53)6 (11.8)18 (35.3)0
Unexposed45 (88.2)4 (7.8)2 (3.9)0


Write to the Help Desk