Table 5 Construct validity

EWGSOP CRITERIA (n = 16)

Correlation

p*

SF – 36

 Physical function

0,652

0,006

 Limitation caused by physical problems

0,569

0,021

 Vitality

0,754

0,001

 General health status

0,667

0,005

 Pain

0,282

0,290

EQ – 5D

 Mobility

-0,624

0,010

 Usual activities

-0,809

0,000

FNIH CRITERIA (n = 13)

SF – 36

 Physical function

0,887

0,000

 Limitation caused by physical problems

0,656

0,015

 Vitality

0,651

0,016

 General health status

0,212

0,486

 Pain

0,216

0,478

EQ – 5D

 Mobility

-0,750

0,003

 Usual activities

-0,615

0,025