Table 3 Univariate and multivariate analyses between logarithm of the minimum angle of resolution (logMAR) visual acquity (VA) and parameters.

From: The structure–function correlation analysed by OCT and full field ERG in typical and pericentral subtypes of retinitis pigmentosa

Parameters

Univariate analysis

Multivariate analysis (Backward Selection)

Unstandardised

Standardised

Unstandardised

Standardised

β

S.E

Beta

P value

β

S.E

Beta

P value

Age

0.006

0.005

0.170

0.195

0.009

0.003

0.250

0.011*

Sex

    

N.S

N.S

N.S

N.S

 Male

Ref

       

 Female

0.142

0.133

0.139

0.290

    

Type

        

 Pericentral

Ref

   

Ref

   

 Typical

0.196

0.138

0.183

0.162

0.254

0.101

0.236

0.015*

AVG of EZ length

− 0.00027

0.00005

− 0.570

 < 0.001*

− 0.00016

0.00005

− 0.338

0.003*

CRT

− 0.006

0.001

− 0.555

 < 0.001*

− 0.005

0.001

− 0.435

 < 0.001*

ERG rod-cone amplitude

− 0.001

0.001

− 0.179

0.170

N.S

N.S

N.S

N.S

  1. *p < 0.05. AVG of EZ lengthaverage length of intact ellipsoid zone, PR photoreceptor, CRT central retinal thickness, ERG electroretinogram, Ref. reference, N.S not select.
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