Table 2.

Comparison of differences in mMRC scores between the two groups

Variables	AB${}^{\text{a}}$	RCS${}^{\text{b}}$	Z	$P^{\ast }$
mMRC	0.43 $\pm$ 0.53	0.86 $\pm$ 0.37	$-$1.612	0.107

${}^{\text{a}}$AB: Abdominal breathing. ${}^{\text{b}}$RCS: Respiratory and core-postural stabilisation.