Key Factors to Improve the Outcome of Retinal Reattachment Surgery in Proliferative Vitreoretinopathy and Proliferative Diabetic Retinopathy

Table 2

Failure rate depending on surgical experience.

Surgical experience (years)	Retro: surgery (n)	Failure rate (n)	(%)	Goal (%)	Pro: surgery (n)	Failure rate (n)	(%)	Stat. signific. ()
Overall	101	36	35.64	<17.82	103	7	6.80	0.002^1
1–7 years	49	16	32.65	<16.33	25	1	4.00	0.136^1
≥7 years	36	17	47.22	<23.61	54	5	9.26	0.012^1
≥25 years	16	3	18.75	<9.38	24	1	4.17	0.655^1

Statistical analysis: ¹two-sided binomial test. n: number of surgeries.