Table 4:

Interhemispheric differences (values from the left minus values from the right) in centimeters per second and ratios (values from the left side divided by values from the right side) with TCD ultrasonography in 56 children with SCD

Parameters	MCA		ACA		tICA
Parameters	L-R	L/R	L-R	L/R	L-R	L/R
V_PS
Median	−7 cm/s	0.96	−6 cm/s	0.96	−5 cm/s	0.98
Tolerance interval	−61–36 cm/s	0.70–1.26	−73–41 cm/s	0.61–1.33	−49–36 cm/s	0.70–1.21
V_MN
Median	−2 cm/s	0.98	−3 cm/s	0.97	−2 cm/s	0.99
Tolerance interval	−43–33 cm/s	0.72–1.25	−49–38 cm/s	0.62–1.39	−38–34 cm/s	0.69–1.27
V_ED
Median	2 cm/s	1.02	−2 cm/s	0.98	0 cm/s	1.00
Tolerance interval	−27–30 cm/s	0.76–1.31	−34–21 cm/s	0.67–1.30	−25–28 cm/s	0.69–1.36
PI
Median	−0.05 cm/s	0.93	−0.05 cm/s	0.94	−0.04 cm/s	0.94
Tolerance interval	−0.27–0.18 cm/s	0.66–1.29	−0.35–0.29 cm/s	0.60–2.00	−0.27–0.21 cm/s	0.69–1.29