Patient-reported health outcomes after total hip and knee surgery in a Dutch University Hospital Setting: results of twenty years clinical registry

Table 8 Absolute MCID after total knee replacement^d

^aSeveral criteria exist for estimating clinically important improvements in using the WOMAC. We used a pragmatically chosen cut-off point of at least 20 points improvement
^bKSS scores have been categorized in >80 excellent; 70–79 good; 60–69 fair and <60 bad [36]. We defined a clinically relevant improvement as one category improvement
^cWe used a difference of 20 mm or more as clinically relevant improvement [34]
^dWOMAC: 3.1% were excluded because of ceiling. KSS function score: 4.6% were excluded because of ceiling. VAS pain: 5.4% were excluded because of ceiling

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