Table 2.

Correlation analysis between the number of small and medium-sized leptomeningeal arteries in the respective elastin degradation category and Braak stage

	Small arteries			Medium-sized arteries
	ρ bp	CI (95 %)	p	ρ bp	CI (95 %)	p
Braaka vs. “0”	−0.707	−0.965 to 0.246	0.116	−0.546	−0.941 to 0.476	0.262
Braaka vs. “1”	−0.955	−0.995 to −0.638	0.003*	0.489	−0.535 to 0.931	0.325
Braaka vs. “2”	0.909	0.370 to 0.990	0.012*	0.706	−0.247 to 0.965	0.117
Braaka vs. “3”	0.792	−0.056 to 0.976	0.061	−0.041	−0.825 to 0.797	0.939

“0”, “1”, “2”, and “3” = no, mild, moderate, and severe elastin degradation, respectively

CI confidence interval

* Significant

^aBraak stages included: I–VI

^bPearson’s correlation (α = 0.05, two tailed)