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Table 4: Correlation coefficients between clinical symptom severity and preoperative MRI findings in 168 patients with iNPH
Total Symptom Score Gait Score Cognition Score
EI −0.09 −0.04 −0.12
Temporal horns (mean) −0.30 0.1 −0.15^{^a}
Interhemispheric fissure −0.20 −0.04 −0.04
Callosal angle 0.17 0.13 0.16
Third ventricle −0.19 −0.25^{^a} 0.07
Sylvian fissures (mean) −0.1 −0.15^{^a} 0.08
Obliterated sulci 0.19 0.18 0.13
DESH 0.11 0.06 0.11
Flow void 0.03 0.09 −0.03
Fourth ventricle −0.20^{^a} −0.20^{^a} 0.16
Transport sulci 0.07 0.18 0.08
PVH −0.26^{^a} −0.22^{^a} −0.23^{^a}
DWMH −0.22^{^a} −0.21^{^a} −0.17^{^a}
Note:—PVH indicates periventricular hyperintensities; DWMH, deep white matter hyperintensities.
↵a P < .05.

	Total Symptom Score	Gait Score	Cognition Score
EI	−0.09	−0.04	−0.12
Temporal horns (mean)	−0.30	0.1	−0.15^{^a}
Interhemispheric fissure	−0.20	−0.04	−0.04
Callosal angle	0.17	0.13	0.16
Third ventricle	−0.19	−0.25^{^a}	0.07
Sylvian fissures (mean)	−0.1	−0.15^{^a}	0.08
Obliterated sulci	0.19	0.18	0.13
DESH	0.11	0.06	0.11
Flow void	0.03	0.09	−0.03
Fourth ventricle	−0.20^{^a}	−0.20^{^a}	0.16
Transport sulci	0.07	0.18	0.08
PVH	−0.26^{^a}	−0.22^{^a}	−0.23^{^a}
DWMH	−0.22^{^a}	−0.21^{^a}	−0.17^{^a}