The Difference in Translaminar Pressure Gradient and Neuroretinal Rim Area in Glaucoma and Healthy Subjects

Table 3

Correlations between neuroretinal rim area and intraocular pressure, intracranial pressure, and translaminar pressure gradient in glaucoma patients and healthy subjects.

	NTG group; (𝑁=9)		HTG group; (𝑁=9)		Control group; (𝑁=9)
	𝑟	P level	𝑟	P level	𝑟	P level
NRA correlated with
IOP	−0.25	0.51	−0.20	0.60	−0.03	0.95
ICP	0.80	0.01*	−0.34	0.37	0.06	0.88
TPG	−0.83	0.01*	0.21	0.59	−0.22	0.57

∗Spearman’s correlation. Significance level 𝑃<0.05. 𝑟: correlation coefficient; NTG: normal tension glaucoma; HTG: high tension glaucoma; 𝑁: number; IOP: intraocular pressure; ICP: intracranial pressure; TPG: translaminar pressure gradient; NRA: neuroretinal rim area.