Economic costs incurred by the patients with multiple sclerosis at different levels of the disease: a cross-sectional study in Northwest Iran

Table 6 The relationship between EDSS score and various costs imposed on pwms

Cost type	IRR^a		USD^b		EURO^c		β^e	P-value
Cost type	B^d	Std. Error	B^d	Std. Error	B^d	Std. Error	β^e	P-value
Direct medical costs	7,462,080	27,233,210	177.66	648.40	151.42	552.62	0.157	0.007
Direct non-medical cost	1,426,870	1,662,640	33.97	39.58	28.95	33.73	0.050	0.391
Indirect cost	− 749,700	427,760	−17.85	10.18	−15.21	8.68	−0.101	0.081
Total cost	8,139,260	3,265,050	193.79	77.73	165.16	66.25	0.143	0.013

^aThe Iranian Rial
^bUnited States Dollar
^cThe EUROope Currency
^dB or unstandardized beta: it refers to the slope of the line between the predictor variable (EDSS score) and the dependent variable (costs of illness)
^eβ or standardized beta: it refers to the percentage change in dependent variable (costs of illness) due to a unit change in predictor variable (EDSS score)

ISSN: 1471-2377