Table 3.

Findings of pulmonary function test amongst smokers of control compared to miners group as well as nonsmoker of control and miners group

PFT	Smoker			Nonsmoker
	Miner	Control	P value	Miner	Control	P value
Normal	31	20	NS	98	49	NS
Obstructive impairment	2	1	NS	3	1	NS
Restrictive impairment	8	4	NS	7	4	NS
Combined impairment	1	0	NS	0	1	NS
Not performed	0	1	NS	0	2	NS

NS: Nonsignificant