Table 2.

Comparison of surgical outcomes for vitrectomy with or without external subretinal fluid drainage.

	External drainage Yes (N = 14)	External drainage No (N = 12)	P value
Age	8.4 ± 6.1	9.9 ± 4.5	0.48
Sex (Male:Female)	13:1	12:0	0.26
Stage (3A:3B:4)	0:11:3	5:7:0	0.01
Initial VA (logMAR)	2.3 ± 0.7	1.4 ± 1.0	0.01
Final VA (logMAR)	2.0 ± 0.9	1.1 ± 0.9	0.02
Post-op ablation therapy	1.1 ± 1.5	0.8 ± 1.3	0.80
Post-op IVB	0.2 ± 0.4	0.9 ± 1.2	0.08
Total number of surgeries	2.6 ± 1.7	1.8 ± 1.1	0.16
Complete SRF resolution	14/14 (100%)	9/12 (75%)	0.03
Complications	5/14 (36%)	2/12 (17%)	0.27
Follow-up period (Month)	46.7 ± 40.6	35.2 ± 9.5	0.38

IVB, intravitreal injection of bevacizumab; SRF, subretinal fluid.

Significant P values in bold.