Success Rates of Vitrectomy in Treatment of Rhegmatogenous Retinal Detachment

Table 4

Multiple logistic regression analysis of possible risk factors for primary anatomical failure.

		Odds ratio	95% CI	value
PPV system	25 G	4.53	1.67 to 13.0	0.002
	23 G	Reference
Tears status	Multiple tears	2.95	1.25 to 7.85	0.01
	Upper	Reference
	Temporal	2.60	0.87 to 8.03	0.08
	Nasal	4.70	0.62 to 24.3	0.124
	Lower	3.50	0.80 to 13.7	0.09

Statistically significant difference.