An anatomy-based lumped parameter model of cerebrospinal venous circulation: can an extracranial anatomical change impact intracranial hemodynamics?

Table 1 Demographic and clinical characteristics of multiple sclerosis patients.

	All MS	RR MS	SP MS	PP MS
N	112	63	45	4
age (years)	43.7±10.5	40.4±9.3	47.1±10	56.8±13.8
age at disease onset (years)	32.5±10	31.5±9.4	33±9.5	44.7±21.2
disease duration (years)	11.4±8.2	9.4±8.7	14.4±6.7	9.7±5.5
EDSS	5 [0.0 – 7.5]	2 [0.0 – 6.5]	6.5 [2.0 – 7.5]	6 [5.0 – 6.5]
M/F	42/70	23/40	17/28	2/2

Age at time of Doppler evaluation, age at disease onset, disease duration at time of Doppler evaluation, Expanded Disability Status Scale (EDSS), and number of male and female subjects. Mean ± standard deviation of age and disease duration are expressed in years; EDSS is expressed as median [range]

ISSN: 1471-2377