Table 3.

Mean score of FVC before and after treatment.

Group	%FVC (Mean ± SD)			p∗	p∗∗
	Pre-test	Post-test	Δ FVC
Control	93.3 ± 10.23	87.53 ± 8.38	−5.8 ± 9.09	0.033	0.006
Treatment	86.5 ± 10.74	90.0 ± 9.9	3.5 ± 6.14	0.038

SD = Standard deviation, ∗ = Paired t-test, ∗∗ = Mann–Whitney test.