Table 3. The ratio of affected eye on fellow eye of the electroretinographic parameters.

amplitude
		before SOR		after SOR		comparison before and after SOR (p valuea)
	n	a wave	b wave	a wave	b wave	a wave	b wave
all	11	0.42 (0.00, 0.70)	0.22 (0.00, 0.60)	0.74 (0.60, 1.16)	0.69 (0.51, 1.07)	0.002	0.002
group I	7	0.64 (0.42, 0.81)	0.52 (0.22, 0.69)	1.15 (0.55, 1.49)	0.87 (0.48, 1.50)	0.031	0.031
group II	4	0.00 (0.00, 0.00)	0.00 (0.00, 0.00)	0.72 (0.70, 0.90)	0.62 (0.52, 0.90)	0.125	0.125
implicit time
		before SOR		after SOR		comparison before and after SOR (p valuea)
	n	a wave	b wave	a wave	b wave	a wave	b wave
all	11	1.20 (0.99, 1.29)	1.00 (0.96, 1.08)	0.74 (0.60, 1.16)	1.15 (1.06, 1.42)	0.940	0.469
group I	7	1.20 (0.99, 1.29)	0.99 (0.96, 1.08)	1.12 (0.99, 1.36)	1.11 (0.95, 1.20)	0.940	0.469
group II	4	n.a.	n.a.	1.31 (1.11, 1.51)	0.99 (0.81, 1.16)	n.a.	n.a.

Data are presented as median (25th, 75th percentiles), SOR; silicone oil removal, n.a.; not applicable, a; wilcoxom signed rank test