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Table 1: Mean postoperative cortical perfusion metrics by surgical approach^{^a}
Midline Hemispheric 95% CI Difference P
Age (yr) 6.22 (SD, 3.45) 7.05 (SD, 3.5) –3.49–1.84 .527
CBF (mL/100g/min) 44.7 (SD, 11.5) 53.4 (SD, 15.5) –23.3–5.97 .212
BAT (sec) 0.891 (SD, 0.076) 0.828 (SD, 0.056) –0.002–0.128 .0576
BuxCBF (mL/100g/min) 109 (SD, 27.8) 135 (SD, 42.3) –70.3–18.6 .209
↵a Values are means and 95% CIs; P values are from unpaired t tests.

	Midline	Hemispheric	95% CI Difference	P
Age (yr)	6.22 (SD, 3.45)	7.05 (SD, 3.5)	–3.49–1.84	.527
CBF (mL/100g/min)	44.7 (SD, 11.5)	53.4 (SD, 15.5)	–23.3–5.97	.212
BAT (sec)	0.891 (SD, 0.076)	0.828 (SD, 0.056)	–0.002–0.128	.0576
BuxCBF (mL/100g/min)	109 (SD, 27.8)	135 (SD, 42.3)	–70.3–18.6	.209