Table 2.

Comparison of the middle cerebral artery blood flow parameters and IMT between patients with type 1 diabetes and healthy control subjects

	Patients	Healthy control subjects	P
n	59	30
Resting Vmean (cm/s)	60.7 (35.7–106.5)	57.3 (36.8–85.9)	0.27
PI	0.88 (0.65–1.52)	0.89 (0.67–1.20)	0.19
RI	0.81 (0.44–0.75)	0.57 (0.49–0.69)	0.36
VMRr (%)	82.9 (39–143)	100 (52–142)	0.006
BHI	1.62 (0.42–3.41)	2.18 (0.89–3.63)	0.045
Delta etCO2 HV (%)	1.65 (1.0–2.5)	1.75 (1.0–3.0)	0.23
Delta etCO2 BH (%)	1.1 (0.5–2.0)	1.1 (0.7–1.8)	0.94
IMT (mm)	0.35 (0.26–0.64)	0.30 (0.21–0.43)	0.001

Data are median (range). Δ etCO₂HV, Δ end tidal CO₂ during hyperventilation; Δ etCO₂ BH, Δ end tidal CO₂ during breath holding.