Table 4. Pulmonary function variables in 18 patients with neuromuscular diseases, with and without scoliosis, before and after the training (4-6 months of routine daily home air-stacking maneuvers).a.

Variable	Pre-training		Post-training
	Without scoliosis	With scoliosis	Without scoliosis	With scoliosis
	(n = 9)	(n = 9)	(n = 9)	(n = 9)
FVC (L)	2.10 ± 0.332	1.469 ± 0.646	2.191 ± 0.315*	1.467 ± 0.672
MIC (L)	2.357 ± 0.323	1.734 ± 0.729	2.409 ± 0.278	1.706 ± 0.778
UPCF (L/min)	295.50 ± 54.99	220 ± 94.19	315.60 ± 51.50†	240.30 ± 107.10
APCF (L/min)	299.10 ± 57.56	246.30 ± 98.65	334.80 ± 52.16‡	264.90 ± 122.5

MIC: maximum insufflation capacity; UPCF: unassisted peak cough flow; and APCF: assisted peak cough flow

^aData are presented as mean ± SD

^*p < 0.05 vs. pre-training (paired Student's t-test)

^†p < 0.01 vs. pre-training (paired Student's t-test)

^‡p < 0.0001 vs. pre-training (paired Student's t-test).