Table 4 Disciriminant validity of utility measurements with SLEDAI and SDI as the external anchor.

From: Comparative Assessment of Different Health Utility Measures in Systemic Lupus Erythematosus

Utility

Disease activity according to SLEDAI

Disease damage according to SDI

0–4

>4

P value

≤1

>1

P value

VAS

0.786

0.561

0.00

0.780

0.597

0.00

SG

0.727

0.442

0.00

0.708

0.534

0.01

EQ-5D

0.846

0.612

0.00

0.837

0.663

0.00

  1. VAS: visual analog scale; SG: standard gamble; EQ-5D (EuroQol scale); SDI, SLICC/ACR damage index; SLEDAI, SLE Disease Activity Index.
Back to article page