The Changes of Retinal Saturation after Long-Term Tamponade with Silicone Oil

Table 2

Retinal saturation in silicone oil-filled eyes and contralateral eyes before silicone oil removal.

Duration	Arterioles			Venules			AV difference
	Sat O2 (%)			Sat O2 (%)			Sat O2 (%)
	SiO^†	Contralateral	P value	SiO	Contralateral	P value	SiO	Contralateral	P value
3–6 months ()	106 ± 9	93 ± 6	<0.001	62 ± 9	60 ± 6	0.548	44 ± 11	33 ± 6	0.001
6–9  months ()	105 ± 12	92 ± 5	0.002	60 ± 11	60 ± 7	0.930	44 ± 13	32 ± 7	0.006
>9 months ()	111 ± 14	91 ± 5	<0.001	58 ± 9	62 ± 6	0.157	54 ± 16	30 ± 6	<0.001
Total ()	107 ± 12	92 ± 5	<0.001	60 ± 10	61 ± 6	0.779	47 ± 14	32 ± 7	<0.001

 ^†SiO = silicone oil-filled eyes.
Compared by paired -test.
The AVD between the 3–6-month and >9-month groups compared by one-way ANOVA, .