Table 3. Correlation between EDSS and total load lesion, in the whole cohort, and in the three clinical forms of MS.

		EDSS
		RR	PP	SP
All patients	( n  = 95)	( n  = 73)	( n  = 9)	( n  = 13)
TLL	r = 0.34 (0.01*)	r = 0.27 (0.02**)	r = 0.39 (0.293)	r = 0.21 (0.473)

Abbreviations: EDSS, expanded disability status scale; PP, primary progressive; RR, relapsing-remitting; SP, secondary progressive; TLL, total lesion load.

Notes: Statistics: Spearman's rank correlation coefficient is shown, with the P-value in brackets. *Correlation is significant at the 0.01 level ( p -value); **Correlation is significant at the 0.05 level ( p -value).