Table 3. Correlation Among Intracranial Pressure (ICP), Bilateral ONSD, and Bilateral ONSD/ETD.

ETD: eyeball transverse diameter; ICP: intracranial pressure; L: left; ONSD: optic nerve sheath diameter; R: right

 

		R ONSD at 3 mm	R ONSD at 6 mm	R ONSD at 9 mm	R ONSD/ETD at 3 mm	R ONSD/ETD at 6 mm	R ONSD/ETD at 9 mm
Mean ICP	Correlation Coefficient	0.201	0.288	0.257	0.173	0.253	0.234
	Sig. (2-tailed)	0.172	0.064	0.120	0.238	0.106	0.158
	N	48	42	38	48	42	38
		L ONSD at 3 mm	L ONSD at 6 mm	L ONSD at 9 mm	L ONSD/ETD at 3 mm	L ONSD/ETD at 6 mm	L ONSD/ETD at 9 mm
Mean ICP	Correlation Coefficient	0.137	0.226	0.095	0.108	0.193	0.078
	Sig. (2-tailed)	0.349	0.145	0.553	0.460	0.215	0.628
	N	49	43	41	49	43	41