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Table 4 Multivariate analysis. a) Model of prediction for operation time by general linear model (GLM). b) Model of prediction for visual acuity improvement by multivariate logistic regression. c) Model of prediction for visual acuity improvement by multivariate logistic regression only in group of patients who have received cataract surgery

From: Outcome of primary rhegmatogenous retinal detachment using microincision vitrectomy and sutureless wide-angle viewing systems

a)

Effect

Estimate

R-Square

Adjusted R-Square

AIC

F Value

Pr > F

Intercept

45.49

0

0

707.2

0

1

Use of Cryopexy

8.29

0.089

0.081

698.9

10.61

0.0015

Multiple Breaks

3.17

0.14

0.124

694.5

6.38

0.013

b)

Parameter

DF

Estimate

Standard Error

Wald Chi-Square

Pr > ChiSq

Odds Ratio (95% CI)

C statistics (AUC)

Intercept

1

−0.61

0.42

2.05

0.1522

  

Pre-operative VA (logMar)

1

2.93

0.85

11.78

0.0006

18.8 (3.52–100.4)

 
 

0.90

c)

Parameter

DF

Estimate

Standard Error

Wald Chi-Square

Pr > ChiSq

Odds Ratio (95% CI)

C statistics (AUC)

Intercept

1

−0.32

0.58

0.31

0.5766

  

Pre-operative VA (logMar)

1

3.42

1.55

4.84

0.0278

30.4 (1.45–637.2)

 
 

0.91

  1. AIC Akaike Information Criteria, Pr Probability
  2. DF Degree of freedom, AUC Area under curve
  3. DF Degree of freedom, AUC Area under curve
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BMC Ophthalmology

ISSN: 1471-2415

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