Table 3

Ordinal logistic regression results for MS patients in a higher disability group (n=92)*

VariablesEstimate (95% CI)P value
Tertiles of SBP coefficient of variation(1 (lowest variability))
 23.48 (1.077 to 11.251)0.037
 3 (highest variability)5.193 (1.531 to 17.616)0.008
Age1.1 (1.051 to 1.150)<0.001
Female (male)3.177 (1.249 to 8.078)0.015
White race (other races/ethnicity)1.495 (0.450 to 4.963)0.512
Within-subject mean SBP (mm Hg)0.991 (0.952 to 1.031)0.647
Hypertension0.93 (0.356 to 2.430)0.882
Depression1.183 (0.426 to 3.289)0.747
Body mass index (kg/m²)1.057 (0.974 to 1.147)0.186
  • *Reference categories are in angle brackets. Disability groups were defined as no or mild (PDDS scores 0 or 1), moderate (2 or 3) and severe (4 or higher).

  • MS, multiple sclerosis ; SBP, systolic blood pressure.