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Significantly increased SaO2-A and SaO2-AV can be seen in both ischemic and non-ischemic BRVO group compared to healthy individuals (P<0.05). No significant difference found between ischemic BRVO group and non-ischemic BRVO group (P>0.05). aStatistically significant difference P<0.05; bStatistically significant difference P<0.01.
