Table 3.

Comparison of before and after the intervention between the groups.

		Respiratory with resistance exercise group (n=22)	Control group (n=22)	t(p)	Time F(p)	Time*group F(p)
FVC(L)	Pre	4.08±0.83	4.00±0.84	0.628 (.733)	98.904 (.000)	51.126 (.000)
	Post	4.51±0.83	4.07±0.83
	Post-pre	0.43±0.09	0.07±0.22	−8.128 (.000)
	t(p)	23.218 (.000)	1.503 (.148)
FEV1(L)	Pre	3.07±0.95	2.84±0.86	0.374 (.000)	444.294 (.000)	469.533 (.000)
	Post	3.40±0.94	2.83±0.86
	Post-pre	0.33±0.05	−0.01±0.05	−19.339 (.000)
	t(p)	29.325 (.000)	−.431 (.671)
FEV1/FVC (%)	Pre	87.50±9.73	83.09±13.68	0.130 (.223)	.059 (.809)	.015 (.904)
	Post	87.50±9.72	83.10±13.72
	Post-pre	−0.01±0.19	−0.01±0.29	0.138 (.892)
	t(p)	−0.335 (.741)	−0.073 (.943)
MVV(L)	Pre	87.15±31.25	89.32±30.53	0.667 (.817)	606.599 (.000)	67.069 (.000)
	Post	121.69±29.42	117.62±27.4
	Post-pre	34.55±7.14	17.3±6.82	−8.758 (.000)
	t(p)	22.685 (.000)	11.905 (.000)

FVC – forced vital capacity; FEV1 – forced expiratory volume in 1 second; FEV1/FVC – forced expiratory volume in 1 second/forced vital capacity; MVV – maximum voluntary ventilation in 1 minute.