Table 5.
Construct validity of EQ-5D
| EQ-VAS | EQ-5D index | |||||||
|---|---|---|---|---|---|---|---|---|
| Univariate analysis |
Multivariate analysis |
Univariate analysis |
Multivariate analysis |
|||||
| ß(SE) | p | ß(SE) | p | ß(SE) | p | ß(SE) | p | |
| Age | -0.4(0.1) | 0.001 | -0.06(0.1) | 0.714 | -0.01(0.003) | < 0.001 | -0.004(0.003) | 0.286 |
| Gender | ||||||||
| Female | 0 | 0 | 0 | |||||
| Male | 5.6(3.4) | 0.106 | 6.5(3.5) | 0.048 | 0.02(0.1) | 0.777 | ||
| Marital status | ||||||||
| Single | 0 | 0 | 0 | 0 | ||||
| Married | -13.3(3.2) | < 0.001 | -8.7(5.1) | 0.090 | -0.3(0.08) | < 0.001 | -0.1(0.1) | 0.319 |
| Educational level | ||||||||
| None | 0 | 0 | 0 | 0 | ||||
| Primary | -3.9(4.5) | 0.384 | -6.8(4.5) | 0.133 | -0.03(0.1) | 0.370 | -0.02(0.09) | 0.78 |
| Secondary/higher | -7.5(4.3) | 0.082 | -2.6(4.3) | 0.535 | -0.2(0.1) | 0.010 | -0.2(0.08) | 0.001 |
| CCI | ||||||||
| 0 | 0 | 0 | 0 | |||||
| ≥1 | -3.8(4.5) | 0.396 | -0.1(0.1) | 0.164 | 0.04(0.09) | 0.665 | ||
| Mechanical ventilation | ||||||||
| No | 0 | 0 | ||||||
| Yes | 2.6(4.0) | 0.512 | 0.00(0.1) | 0.997 | ||||
| APACHE II | -0.01(0.3) | 0.971 | -0.006(0.01) | 0.570 | ||||
| TISS | -0.3(0.3) | 0.214 | -0.01(0.008) | 0.122 | -0.01(0.01) | 0.085 | ||
| Length of stay | -0.02(0.2) | 0.897 | -0.01(0.006) | 0.049 | -0.01(0.005) | 0.017 | ||
VAS, visual analogue scale; SE, standard error; CCI, Charlson Comorbidity Index; APACHE II, Acute Physiology and Chronic Health Evaluation II; TISS, Therapeutic Intervention Scoring System