Table 3.
Spearman’s correlations and intraclass correlations between health utilities
| EQ-5D-5L | SF-6D | PROPr | |||||||
|---|---|---|---|---|---|---|---|---|---|
| rho | ICC | 95% CI | rho | ICC | 95% CI | rho | ICC | 95% CI | |
| SF-6D | 0.783 | 0.770 | 0.681–0.836 | - | - | - | - | - | - |
| PROPr | 0.771 | 0.381 | -0.094–0.711 | 0.864 | 0.445 | -0.081–0.773 | - | - | - |
| TTO | 0.180 | 0.242 | 0.072–0.399 | 0.143* | 0.201 | 0.029–0.363 | 0.171* | 0.058* | -0.052–0.185 |
CI = confidential interval; ICC = intraclass correlation coefficient; PROPr = Patient-Reported Outcomes Measurement Information System-Preference; rho = Spearman’s correlation coefficient; SF-6D = Short-form-6D; TTO = time trade-off
*All Spearman’s correlation and intraclass correlations coefficients were significant (p < 0.05), except in the cases marked with an asterisk