Sliding and pressure evaluation on conventional and V-shaped seats of reclining wheelchairs for stroke patients with flaccid hemiplegia: a crossover trial

Table 5 Sacral peak pressure (SPP, mmHg) measurements by subject groups and wheelchair (WC) types

	V-seat WC							Conventional WC							Flaccid		Able-bodied
Cycles	Flaccid			Able-bodied			p	Flaccid			Able-bodied			p	V-seat vs. Conv.	p	V-seat vs. Conv.	p
	n	Mean	SD	n	Mean	SD		n	Mean	SD	n	Mean	SD		Diff.		Diff.
0	11	62.2	33.3	13	41.0	4.6	0.03*	11	75.4	34.8	13	51.1	10.7	0.047*	-13.2	0.041*	-10.2	0.013*
1	11	72.0	37.7	13	44.3	6.6	0.018*	11	89.4	48.5	13	50.2	9.0	0.011*	-17.4	0.062	-5.9	0.064
2	11	72.9	40.1	13	45.6	8.1	0.026*	11	99.7	47.3	13	50.6	9.8	0.001*	-26.8	0.005*	-5.0	0.133
3	9	78.4	39.6	13	46.5	10.2	0.009*	8	116.3	49.1	13	51.6	13.1	< 0.001*	-38.0	0.012*	-5.1	0.249
4	5	69.7	23.6	13	45.7	9.5	0.014*	3†	78.4	23.5	13	51.6	10.1	0.057	-8.8	0.285	-5.9	0.039*
5	4	81.7	32.8	13	45.3	9.4	0.023*	4	102.4	44.2	13	51.2	9.4	0.006*	-20.6	0.180	-5.9	0.064

ISSN: 1743-0003