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. 2010 Oct 1;8:112. doi: 10.1186/1477-7525-8-112

Table 2.

Psoriatic Arthritis Utilities

Health State Number of respondents Mean SD
Mild PsA
 RS 70 63.7 20.3
 TTO 70 0.78 0.24
 SG 70 0.82 0.24
Moderate PsA
 RS 78 45.7 16.9
 TTO 78 0.58 0.31
 SG 78 0.67 0.30
Severe PsA
 RS 66 20.2 14.4
 TTO 66 0.29 0.31
 SG 66 0.48 0.34

SD: standard deviation; PsA: psoriatic arthritis; RS: rating scale (range: 0-100); TTO: time tradeoff (range: 0.0-1.0); SG: standard gamble (range: 0.0-1.0).