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Table 11 Results of backward stepwise logistic regression of Toronto Cognitive Assessment indices

From: The Toronto Cognitive Assessment (TorCA): normative data and validation to detect amnestic mild cognitive impairment

 

Variable in equation

 

95% CI for Exp(B)

  

B

SE

Wald

df

p value

Exp(B)

Lower

Upper

Step 1a

ORIENT

− 0.167

0.291

0.330

1

0.566

0.846

0.479

1.496

MIR

− 0.378

0.145

6.802

1

0.009

0.685

0.516

0.910

MDR

− 0.452

0.148

9.374

1

0.002

0.636

0.476

0.850

MDRec

− 0.395

0.278

2.016

1

0.156

0.674

0.390

1.162

VisSpat

0.677

0.313

4.680

1

0.031

1.969

1.066

3.637

ExecCon

0.174

0.064

7.384

1

0.007

1.190

1.050

1.350

Lang

0.019

0.078

0.058

1

0.810

1.019

0.875

1.186

Constant

− 19.420

13.579

2.045

1

0.153

0.000

  

Step 2

ORIENT

− 0.167

0.287

0.337

1

0.561

0.846

0.482

1.486

MIR

− 0.370

0.140

6.936

1

0.008

0.691

0.525

0.910

MDR

− 0.449

0.146

9.514

1

0.002

0.638

0.479

0.849

MDRec

− 0.389

0.276

1.979

1

0.160

0.678

0.394

1.165

VisSpat

0.672

0.309

4.719

1

0.030

1.958

1.068

3.590

ExecCon

0.179

0.061

8.739

1

0.003

1.196

1.062

1.347

Constant

− 18.585

12.887

2.080

1

0.149

0.000

  

Step 3

MIR

− 0.374

0.139

7.283

1

0.007

0.688

0.524

0.903

MDR

− 0.468

0.146

10.321

1

0.001

0.626

0.470

0.833

MDRec

− 0.387

0.274

1.994

1

0.158

0.679

0.397

1.162

VisSpat

0.677

0.309

4.810

1

0.028

1.969

1.075

3.606

ExecCon

0.178

0.061

8.418

1

0.004

1.195

1.060

1.348

Constant

− 20.253

12.534

2.611

1

0.106

0.000

  

Step 4

MIR

− 0.407

0.132

9.486

1

0.002

0.666

0.514

0.862

MDR

− 0.518

0.140

13.687

1

0.000

0.596

0.453

0.784

VisSpat

0.711

0.292

5.911

1

0.015

2.035

1.148

3.609

ExecCon

0.176

0.058

9.062

1

0.003

1.192

1.063

1.337

Constant

− 27.256

11.044

6.091

1

0.014

0.000

  
  1. CI confidence interval, SE standard error
  2. aVariable(s) entered in step 1: Orientation (ORIENT), Immediate Memory (MIR), Delayed Recall (MDR), Delayed Recognition (MDRec), Visuospatial (VisSpat), Working Memory/Attention/Executive Control (ExecCon), Language (Lang)