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