Table 4 Performance in trimmed model according to EQ-5D quartile in the derivation and validation sets
From: Mapping the neck disability index to SF-6D in patients with chronic neck pain
Derivation set (n = 180) | Validation set (n = 92) | |||
|---|---|---|---|---|
Observed values | Predictive values | Observed values | Predictive values | |
Mean(SD) | 0.53 (0.09) | 0.52 (0.04) | 0.5 (0.09) | 0.52 (0.04) |
Min | 0.21 | 0.29 | 0.19 | 0.33 |
P25 | 0.45 | 0.46 | 0.46 | 0.49 |
Median | 0.48 | 0.52 | 0.50 | 0.52 |
P75 | 0.56 | 0.57 | 0.59 | 0.56 |
Max | 0.82 | 0.68 | 0.73 | 0.63 |
Adjusted R2 | 0.49 | 0.56 | ||
MAE (SD) | 0.04 (0.033) | 0.04 (0.030) | ||
RMSE (normalized for range) | 0.06 (8.6 %) | 0.05 (7.2 %) | ||