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

Table 2 Measurement of sliding along the backrest plane by subject groups and wheelchair (WC) types

Cycles	V-seat WC							Conventional WC							Flaccid		Able-bodied
	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.
1	11	8.3	12.2	13	11.3	8.7	0.691	11	20.6	15.2	13	4.0	8.2	0.005*	-12.3	0.068	7.4	0.087
2	11	16.9	13.4	13	12.9	11.4	0.494	11	32.6	22.5	13	5.0	11.3	0.001*	-15.6	0.110	7.9	0.108
3	9	15.8	15.0	13	12.7	11.7	0.357	8	41.6	27.0	13	7.5	14.0	0.002*	-25.8	0.036*	5.2	0.248
4	5	12.2	5.6	13	13.3	13.6	0.924	4	33.6	23.5	13	9.0	11.1	0.130†	-21.4	0.465	4.3	0.263
5	4	14.6	9.3	13	13.9	12.9	0.956	4	33.9	24.3	13	6.5	11.4	0.130†	-19.3	> 0.95	7.5	0.043*

*p < 0.05 †The nonparametric tests lack statistical power with small sample size.

ISSN: 1743-0003