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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