Table 4. Correlation between rehabilitation dose and improvement of outcome parameters.

Outcome	Unadjusted Spearman’s correlation		Adjusted Spearman’s partial correlation
	ρ	P	ρ	P
Dose of rehabilitation – FAC	0.48	0.011	0.46	0.027
Dose of rehabilitation – BBS	0.56	0.003	0.50	0.019

ρ: Spearman’s rank correlation coefficients; adjusted Spearman’s partial correlation analysis used age, sex, Charlson comorbidity index, WHO ordinal scale as control factors.

FAC = Functional Ambulation Classification, BBS = Berg Balance Scale, WHO = World Health Organization.