Table 4.

Comparison of the subjects’ means of inhalation technique skills in non-spacer and control groups

Time	Before the intervention	Immediately ‌ after the intervention	1 month after the intervention
Group	Mean±SD	Mean±SD	Mean±SD
Non- spacer	6.2±1.37	10.7±0.65	9.93±1.01
Control	5.9±1.56	5.7±1.3	5.8±1.37
P value	0.540	<0.05*	<0.05*

*P values<0.05 were considered as statistically significant