Mild knee osteoarthritis predicts dissatisfaction after total knee arthroplasty: a prospective study of 186 patients aged 65 years or less with 2-year follow-up

Table 2 Proportion of dissatisfied patients and MCID (∆10 points) in different KL-groups measured with satisfaction VAS (0-100)

	Kellgren-Lawrence (KL) classification				p-value
	2		3-4
	n=35		n=150
	%	n	%	n
Dissatisfied	28.6	10	8.7	13	0.003
MCID^a	90.0	27	97.2	140	0.100

^aProportion of patients whose satisfaction with their knee improved more than MCID (10 points in VAS satisfaction) from the preoperative evaluation to the 2-year follow-up

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