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Table 4 Errors in predicted scores sub-grouped by EQ-5D index

From: Predicting preference-based utility values using partial proportional odds models

   

Actual

Predicted

RMSE in predicted scores

Sub-grouped by actual EQ-5D scores

n

EQ-5D

OLS

PPOM

OLS

PPOM

EQ-5D < 0

CVD

370

-0.085

0.422

0.160

0.540

0.278

 

Diabetes

203

-0.104

0.385

0.109

0.531

0.253

 

Mental Health disorders

137

-0.124

0.300

0.125

0.457

0.276

 

Musculoskeletal

775

-0.081

0.340

0.137

0.461

0.253

 

Nervous System

169

-0.113

0.290

0.106

0.441

0.251

 

Respiratory

218

-0.092

0.401

0.153

0.523

0.273

0 ≤ EQ-5D < 0.5

CVD

723

0.179

0.531

0.414

0.409

0.299

 

Diabetes

375

0.169

0.520

0.400

0.411

0.301

 

Mental Health disorders

450

0.241

0.487

0.453

0.310

0.264

 

Musculoskeletal

1399

0.153

0.474

0.399

0.381

0.304

 

Nervous System

302

0.176

0.475

0.383

0.374

0.284

 

Respiratory

428

0.181

0.511

0.408

0.392

0.293

0.5 ≤ EQ-5D < 0.75

CVD

2657

0.667

0.660

0.615

0.165

0.109

 

Diabetes

1315

0.668

0.666

0.616

0.174

0.117

 

Mental Health disorders

535

0.663

0.594

0.555

0.185

0.170

 

Musculoskeletal

4600

0.670

0.620

0.597

0.165

0.123

 

Nervous System

728

0.660

0.614

0.583

0.176

0.135

 

Respiratory

1209

0.666

0.651

0.609

0.179

0.125

EQ-5D ≥ 0.75

CVD

4248

0.923

0.823

0.840

0.158

0.114

 

Diabetes

2567

0.926

0.837

0.846

0.153

0.111

 

Mental Health disorders

779

0.887

0.717

0.761

0.221

0.151

 

Musculoskeletal

4516

0.874

0.753

0.797

0.175

0.114

 

Nervous System

1037

0.902

0.781

0.812

0.190

0.124

 

Respiratory

3088

0.933

0.859

0.851

0.146

0.112