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Table 3 Pearson (r) and Intraclass (ICC) correlation coefficients between eight different SG scores (both adjusted and unadjusted) and HUI2 and HUI3. The 95% confidence intervals for ICCs are included

From: Do visual analogue scale (VAS) derived standard gamble (SG) utilities agree with Health Utilities Index utilities? A comparison of patient and community preferences for health status in rheumatoid arthritis patients

SG utility

 

HUI2

HUI3

Assessment A

 

r

ICC

95% CI

r

ICC

95% CI

Unadjusted

SG1

60%

0.57

0.49 to 0.64

60%

0.60

0.52 to 0.66

 

SG2

55%

0.54

0.46 to 0.62

58%

0.56

0.47 to 0.63

 

SG3

55%

0.54

0.45 to 0.61

58%

0.55

0.47 to 0.62

 

SG4

55%

0.53

0.45 to 0.61

57%

0.54

0.46 to 0.62

 

SG5

54%

0.51

0.42 to 0.59

56%

0.52

0.43 to 0.60

 

SG6

53%

0.50

0.41 to 0.58

55%

0.50

0.41 to 0.58

 

SG7

58%

0.60

0.48 to 0.63

62%

0.58

0.49 to 0.68

 

SG8

58%

0.53

0.45 to 0.61

61%

0.54

0.46 to 0.62

Adjusted

SG1

55%

0.55

0.47 to 0.62

58%

0.57

0.49 to 0.64

 

SG2

53%

0.51

0.42 to 0.59

55%

0.52

0.43 to 0.60

 

SG3

53%

0.51

0.42 to 0.58

55%

0.51

0.42 to 0.59

 

SG4

52%

0.50

0.41 to 0.58

55%

0.50

0.41 to 0.58

 

SG5

51%

0.47

0.38 to 0.56

53%

0.47

0.38 to 0.55

 

SG6

50%

0.45

0.36 to 0.54

52%

0.45

0.35 to 0.53

 

SG7

57%

0.55

0.47 to 0.62

60%

0.56

0.48 to 0.64

 

SG8

57%

0.53

0.44 to 0.60

60%

0.53

0.44 to 0.61