The Patient-Reported Outcomes Thermometer–5-Item Scale (5T-PROs): Validation of a New Tool for the Quick Assessment of Overall Health Status in Painful Rheumatic Diseases

Table 8

Convergent construct validity analysis: correlation matrix of the Patient-Reported Outcomes Thermometer–5-item scale (5T-PROs) component scores and their components versus the eight SF-36 subscales.

BP

GH

PF

RP

RE

MH

SF

VT

5T-PROs depression

5T-PROs fatigue

5T-PROs physical function

5T-PROs global health

GH

0.164

<0.001

PF

0.392

0.289

<0.001

<0.001

RP

0.251

0.163

0.425

<0.001

<0.001

<0.001

RE

0.240

0.308

0.313

0.311

<0.001

<0.001

<0.001

<0.001

1199

1199

1199

MH

0.184

0.479

0.309

0.124

0.411

<0.001

<0.001

<0.001

<0.001

<0.001

SF

0.218

0.254

0.295

0.101

0.252

0.460

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

VT

0.206

0.395

0.346

0.178

0.373

0.636

0.357

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

5T-PROs depression

0.049

−0.352

−0.054

0.058

−0.322

−0.626

−0.377

−0.507

0.088

<0.001

0.061

0.045

<0.001

<0.001

<0.001

<0.001

5T-PROs fatigue

0.148

0.258

0.310

0.211

0.275

0.385

0.152

0.679

−0.272

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

5T-PROs physical function

−0.039

0.124

−0.072

0.028

0.099

0.134

0.071

0.141

−0.204

0.132

0.174

<0.001

0.012

0.333

0.001

<0.001

0.013

<0.001

<0.001

<0.001

5T- PROs global health

−0.480

−0.432

−0.632

−0.260

−0.377

−0.568

−0.443

−0.462

0.342

−0.268

−0.109

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

5T-PROs pain

0.101

0.134

0.202

0.147

0.154

0.151

0.067

0.150

−0.085

0.242

0.531

−0.195

<0.001

<0.001

<0.001

<0.001

<0.001

<0.001

0.020

<0.001

0.003

<0.001

<0.001

<0.001