Table 4 Known-groups validity of PROPr and EQ-5D-3L between ODI severity groups in terms of effect size, relative efficiency, and area under the receiver-operating characteristics curve ratio (AUROC-ratio)
ODI Severity level | PROPr | EQ-5D-3L |
|---|---|---|
Scale maximum | 1.00 | 1.00 |
Minimal Mean (SD) | 0.49 (0.19) | 0.81 (0.15) |
Moderate Mean (SD) | 0.26 (0.10) | 0.70 (0.15) |
Effect Size (95%CI) | 1.27 (0.79;1.76) | 0.72 (0.26; 1.18) |
Relative Efficiency (95%CI) | 4.30 (1.68; 19.40) | |
AUROC-ratio (95%CI) | 1.07 (0.94; 1.24) | |
Moderate Mean (SD) | 0.26 (0.10) | 0.70 (0.15) |
Severe Mean (SD) | 0.14 (0.09) | 0.55 (0.21) |
Effect Size (95%CI) | 1.07 (0.69; 1.45) | 0.74 (0.37; 1.11) |
Relative Efficiency (95%CI) | 2.52 (1.18; 6.68) | |
AUROC-ratio (95%CI) | 1.23 (1.00; 1.28) | |
Severe Mean (SD) | 0.14 (0.09) | 0.55 (0.21) |
Crippling Mean (SD) | 0.07 (0.08) | 0.34 (0.18) |
Effect Size (95%CI) | 0.80 (0.41; 1.19) | 0.92 (0.53; 1.32) |
Relative Efficiency (95%CI) | 0.71 (0.23; 2.02) | |
AUROC-ratio (95%CI) | 0.94 (0.82; 1.07) | |
Crippling Mean (SD) | 0.07 (0.08) | 0.34 (0.18) |
Bedridden Mean (SD) | 0.03 (0.04) | 0.12 (0.22) |
Scale minimum |  − 0.022 |  − 0.103 |
Effect Size (95%CI) | 0.63 (0.03–1.23) | 1.04 (0.42–1.64) |
Relative Efficiency (95%CI) | 0.32 (0.03–2.67) | |
AUROC-ratio (95%CI) | 0.90 (0.66–1.24) | |