Success Rates of Vitrectomy in Treatment of Rhegmatogenous Retinal Detachment

Table 3

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

		Reattached	Detached	OR	95% CI	value
Sex	F	139 (36.7%)	14 (32.6%)				Ref
	M	240 (63.3%)	29 (67.4%)	1.20	0.62–2.41	0.59
Age	<40	21 (5.54%)	2 (4.65%)	Ref
	40–49	58 (15.3%)	8 (18.6%)	1.45	0.33–10.1	0.64
	50–59	129 (34.0%)	14 (32.6%)	1.14	0.29–7.59	0.86
	60–69	121 (31.9%)	14 (32.6%)	1.21	0.31–8.09	0.80
	≧70	50 (13.2%)	5 (11.6%)	1.05	0.21–7.73	0.96
Lens status	Aphakia	2 (0.5%)	1 (2.3%)	Ref
	IOL	61 (16.1%)	6 (14.0%)	0.20	0.02–4.59	0.26
	Phakia	316 (83.4%)	36 (83.7%)	0.23	0.02–4.96	0.28
History trauma	(−)	365 (96.3%)	41 (95.4%)	Ref
	(+)	14 (3.7%)	2 (4.6%)	1.27	0.20–4.77	0.76
High myopia	(−)	244 (64.4%)	28 (65.1%)	Ref
	(+)	135 (35.6%)	15 (34.9%)	0.97	0.49–1.85	0.92
Macula status	On	187 (49.3%)	18 (41.8%)	Ref
	Off	192 (50.6%)	25 (58.1%)	1.35	0.71–2.59	0.35
Lattice	(−)	171 (45.1%)	23 (53.5%)	Ref
	(+)	208 (54.9%)	20 (46.5%)	0.71	0.37–1.35	0.30
Tear presence	Yes	334 (88.1%)	38 (88.4%)	Ref
	No	45 (11.9%)	5 (11.6%)	0.97	0.32–2.40	1.02
Cataract operation	(−)	75 (19.8%)	8 (18.6%)	Ref
	(+)	304 (80.2%)	35 (81.4%)	1.08	0.50–2.59	0.85
Tear status	Upper	131 (34.8%)	7 (16.3%)	Ref
	Temporal	64 (17.0%)	8 (18.6%)	2.34	0.80–6.95	0.12
	Nasal	11 (2.9%)	2 (4.7%)	3.40	0.47–16.3	0.20
	Lower	21 (5.6%)	4 (9.3%)	3.56	0.87–12.9	0.07
	Multiple	149 (39.6%)	22 (51.2%)	2.76	1.20–7.12	0.02
PPV system	23 G	321 (84.7%)	31 (72.1%)	Ref
	25 G	58 (15.3%)	12 (27.9%)	2.14	1.00–4.32	0.04

Statistically significant difference.