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

Table 6

Multiple regression to analyse further potential risk factors for retinal redetachment rate in the prospective group.

Model		Coefficients^a			t	Sig.
		Not standardized coefficients		Standardized coefficients
		B	Standard deviation	Beta
1	(constant)	4.461	.862	—	5.174	.000
	Emulsification rate	.006	.041	.016	.158	.875
	Surgical experience	.028	.082	.041	.345	.731
	Med. history/preop. surgery	.030	.051	.065	.581	.563
	Documentation	.068	.070	.103	.973	.333
	Quality of laser coagulation	−.003	.075	−.004	−.041	.968
	Amount of membrane peeling	.075	.038	.202	1.977	.051
	Consistency of surgeon	.016	.043	.044	.367	.715
	Timing of cataract surgery	.148	.070	.232	2.104	.038
	P(D)VR stage	.048	.058	.101	.822	.413
	Preop. fovea situation	.016	.042	.041	.373	.710
	Amount of retino/retinectomies	.107	.049	.251	2.201	.030
	Number and size of retinal hole area	.013	.053	.026	.243	.809
	Axial length	−.048	.047	−.108	−1.039	.302
	Peeling at the time of revision	−.286	.181	−.154	−1.581	.118
	Laser coagulation at the time of revision	−.266	.212	−.127	−1.255	.213
13	(Constant)	4.329	.366	—	11.830	.000
	Amount of membrane peeling	.078	.035	.210	2.237	.028
	Timing of cataract surgery	.099	.059	.155	1.667	.099
	Amount of retino/retinectomies	.123	.040	.289	3.091	.003

^aDependent variable: retinal redetachment rate.