Table 2

 Construct validity: comparison of EuroQol questionnaire (EQ-5D) results between subgroups at admission

Diagnosisp Value
MICABG
*χ2 test with the categories moderate and extreme collapsed into one category; †Fisher’s exact test due to small expected cell counts; ‡χ2 test; §Student’s t test.
VAS, visual analogue scale.
EQ-5D dimension
    Mobilityn = 54n = 44
        No problems44 (81.5%)27 (61.4%)
        Moderate problems10 (18.5%)17 (38.6%)
        Extreme problems000.03*
    Self caren = 54n = 44
        No problems54 (100%)34 (77.3%)
        Moderate problems010 (22.7%)
        Extreme problems00<0.001†
    Usual activitiesn = 52n = 43
        No problems29 (55.8%)11 (25.6%)
        Moderate problems19 (36.5%)22 (51.2%)
        Extreme problems4 (7.7%)10 (23.2%)0.006‡
    Painn = 54n = 44
        No problems28 (51.9%)7 (15.9%)
        Moderate problems26 (48.1%)35 (79.5%)
        Extreme problems020.002*
    Anxiety/depressionn = 54n = 44
        No problems27 (50.0%)23 (52.3%)
        Moderate problems25 (46.3%)20 (45.5%)
        Extreme problems2 (3.7%)1 (2.3%)0.82*
VASn = 51n = 44
    Median70.060
    Mean70.357.1<0.001§
EQ-5D indexn = 52N = 43
    Median79.571.3
    Mean77.864.50.001§