. 2021 May 28;18(11):5818. doi: 10.3390/ijerph18115818

Table 6.

Changes in respiratory function between intervention on two intervention groups.

Classification	Between Group Change ^a	Effect Size	Time * Groups		Independent-t		NNT (n)	ARR (%)
Classification	Between Group Change ^a	Effect Size	F	p	t	p	NNT (n)	ARR (%)
FEV1 (ℓ)
Experimental group	−0.36 (−0.53, −0.20)	1.64	4.614	0.041 *	−4.618	0.001 **	6	15.17
Control group	−0.36 (−0.53, −0.20)	1.64	4.614	0.041 *	−4.618	0.001 **	6	15.17
FVC (ℓ)
Experimental group	−0.27 (−0.52, −0.02)	0.82	4.809	0.037 *	−2.257	0.034 *	10	9.94
Control group	−0.27 (−0.52, −0.02)	0.82	4.809	0.037 *	−2.257	0.034 *	10	9.94
PEF (ℓ/min)
Experimental group	−35.40 (−68.83, −1.97)	0.79	4.560	0.042 *	−2.169	0.039 *	7	13.09
Control group	−35.40 (−68.83, −1.97)	0.79	4.560	0.042 *	−2.169	0.039 *	7	13.09
MIP (mmHg)
Experimental group	−8.67 (−13.55, −3.78)	1.33	4.444	0.044 *	−3.636	0.001 **	4	20.10
Control group	−8.67 (−13.55, −3.78)	1.33	4.444	0.044 *	−3.636	0.001 **	4	20.10
MEP (mmHg)
Experimental group	−10.20 (−17.67, −2.73)	1.02	4.460	0.044 *	−2.796	0.012 *	5	19.76
Control group	−10.20 (−17.67, −2.73)	1.02	4.460	0.044 *	−2.796	0.012 *	5	19.76

^a Values are the mean (95% CI), * p < 0.05, ** p < 0.01. Experimental group: gait training by AAT. Control group: gait training. NNT: number needed to treat = 1/ARR. ARR: absolute risk reduction = EER − CER. FEV1: forced expiratory volume in 1 s. FVC: forced vital capacity. PEF: peak expiratory flow. MIP: maximal inspiratory pressure. MEP: maximal expiratory pressure.