Table 1.

Effects of Image (Repeated-Measurement Variability) and Location (Lateral Variations) on Retinal PO₂ with 10%, 21%, and 50% FiO₂

FiO2 Effect	Maximum Outer Retina PO2		Minimum Outer Retina PO2		Mean Inner Retina PO2
	F	P	F	P	F	P
10%
Image	0.640	0.542	0.298	0.747	0.817	0.614
Location	0.374	0.954	1.067	0.399	0.023	0.978
Image/location	0.746	0.746	0.433	0.984	1.095	0.361
21%
Image	0.153	0.860	0.141	0.870	0.227	0.800
Location	0.971	0.478	0.892	0.546	0.907	0.533
Image/location	0.730	0.789	0.729	0.789	0.740	0.778
50%
Image	0.917	0.422	0.713	0.507	1.110	0.357
Location	0.736	0.689	0.801	0.628	0.665	0.753
Image/location	1.052	0.407	0.748	0.770	1.167	0.292