Table 3 Medians and quartiles for the distribution of the gain in patient quality of life [QALYs] after total knee arthroplasty and the corresponding marginal cost effectiveness ratio [€/QALY] from the health insurers' perspective, stratified for gender, age and occupational status of patients at the day of surgery
From: Clinical benefit and cost effectiveness of total knee arthroplasty in the older patient
WOMAC based gain [QALYs] | WOMAC based marginal costs [€QALY] | EQ-5D based gain [QALYs] | EQ-5D based marginal costs [€/QALY] | |
|---|---|---|---|---|
total sample gender | 4.59 | 1795 | 2.93 | 3064 |
female | 3.79 | 2142 | 2.93 | 3260 |
male | 5.61 | 1660 | 3.08 | 2847 |
age | ||||
< 60 years | 6.48 | 1463 | 4.78 | 1894 |
60 - 70 years | 5.47 | 1744 | 4.25 | 2093 |
> 70 years | 2.76 | 3186 | 1.75 | 5455 |
working status | ||||
working | 6.48 | 1474 | 2.45 | 3908 |
not working | 4.46 | 1829 | 2.93 | 2961 |