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Table 3 Correlation between duration of illness and TCCD, autonomic functions, and blood pressure in both case groups

From: Assessment of cerebral hemodynamics in multiple sclerosis patients

  Duration of illness (years)
RRMS SPMS
Spearman’s rho p value Significance Spearman’s rho p value Significance
TCCD, % change 0.118 0.469 NS − 0.418 0.007 S
TCCD, BHI − 0.246 0.125 NS 0.150 0.355 NS
Autonomic total score 0.173 0.287 NS − 0.093 0.567 NS
Bl.pr, systolic, % change 0.486 0.001 S − 0.443 0.004 S
Bl.pr, diastolic, % change − 0.017 0.917 NS 0.194 0.231 NS
  1. TCCD transcranial color-coded Doppler, BHI breath holding index, BL.pr blood pressure, RRMS relapsing remitting MS, SPMS secondary progressive MS, S significant, NS non-significant