Table 1 Results of regression analyses based for models, including goodness-of-fit statistics

Constant

0.803

0.831

0.837

(SE)

(0.006)

(0.006)

(0.006)

Progression

?0.048

?0.029

(SE)

(0.007)

(0.007)

120 - 179 days to death

?0.060

?0.059

(SE)

(0.012)

(0.012)

90 - 119 days to death

?0.068

?0.065

(SE)

(0.015)

(0.015)

60 - 89 days to death

?0.112

?0.106

(SE)

(0.016)

(0.016)

30 - 59 days to death

?0.153

?0.142

(SE)

(0.015)

(0.015)

Under 30 days to death

?0.178

?0.165

(SE)

(0.019)

(0.019)

MAE

RMSE

MAE

RMSE

MAE

RMSE

All values

0.119

0.145

0.108

0.132

0.108

0.132

0.9?<?EORTC-8D???1 (n?=?354)

0.167

0.171

0.137

0.145

0.139

0.147

0.8?<?EORTC-8D???0.9 (n?=?280)

0.056

0.066

0.046

0.063

0.048

0.064

0.65?<?EORTC-8D???0.8 (n?=?332)

0.061

0.073

0.077

0.088

0.074

0.086

0.0?<?EORTC-8D???0.65 (n?=?174)

0.235

0.246

0.206

0.225

0.204

0.222

SF-6D derived results

Progression (model 1)

Time to death (model 2)

Progression?+?time to death (model 3)

Constant

0.642

0.667

0.670

(SE)

(0.006)

(0.005)

(0.005)

Progression

?0.030

?0.016

(SE)

(0.005)

(0.006)

120 - 179 days to death

?0.050

?0.050

(SE)

(0.010)

(0.010)

90 - 119 days to death

?0.059

?0.057

(SE)

(0.013)

(0.013)

60 - 89 days to death

?0.089

?0.085

(SE)

(0.014)

(0.013)

30 - 59 days to death

?0.119

?0.113

(SE)

(0.013)

(0.013)

Under 30 days to death

?0.134

?0.126

(SE)

(0.016)

(0.016)

MAE

RMSE

MAE

RMSE

MAE

RMSE

All values

0.091

0.124

0.102

0.134

0.101

0.133

0.75?<?SF-6D???1 (n?=?201)

0.201

0.210

0.199

0.212

0.199

0.212

0.65?<?SF-6D???0.75 (n?=?228)

0.050

0.057

0.047

0.065

0.047

0.065

0.55?<?SF-6D???0.65 (n?=?435)

0.028

0.037

0.051

0.058

0.049

0.057

0?<?SF-6D???0.55 (n?=?208)

0.159

0.174

0.175

0.194

0.173

0.192