Table 6

Mean observed and fitted health state values within categories of observed health state values: categorical model

Observed values

Predicted values

Observed health state value category

n

Mean

[95% CI]

Mean

[95% CI]

<0.70

7

0.50

[0.38–0.61]

0.61

[0.42–0.82]

0.70–<0.80

10

0.73

[0.72–0.75]

0.78

[0.68–0.88]

>0.80

97

0.89

[0.88–0.90]

0.95

[0.92–0.99]

All

114

0.85

[0.83–0.87]

0.91

[0.88–0.95]

Brennan and Spencer BMC Health Services Research 2006 6:96   doi:10.1186/1472-6963-6-96