Table 4.

Change in ADL limitations from pre-operative to 2 and 5 years post-primary TKA

	2-year post-operative				5-year post-operative
	None, %	Mild, %	Moderate, %	Severe, %	None, %	Mild, %	Moderate, %	Severe, %
Walking limitations
Pre-op none	83.8	8.8	6.6	0.8	71.8	10.5	13.4	4.3
Pre-op mild	75.3	12.3	10.6	1.8	66.9	14.0	14.9	4.2
Pre-op moderate	57.9	15.4	22.1	4.6	51.1	13.1	26.5	9.4
Pre-op severe	38.0	13.2	31.5	17.3	30.6	15.8	33.2	20.3
Stair limitations
Pre-op none	68.4	19.6	11.4	0.6	57.3	11.7	30.1	1.0
Pre-op mild	51.7	23.8	23.0	1.5	47.9	22.9	27.5	1.7
Pre-op moderate	35.3	23.8	38.9	2.0	31.7	23.0	41.9	3.5
Pre-op severe	23.3	16.2	52.4	8.1	24.4	20.8	45.7	9.1
Rise from chair limitations
Pre-op none	64.6	32.7	2.7	0.0	56.8	37.6	5.2	0.3
Pre-op mild	47.2	47.6	5.0	0.2	42.6	49.8	7.4	0.2
Pre-op moderate	30.3	57.4	12.1	0.2	29.3	55.8	14.1	0.8
Pre-op severe	17.6	23.5	41.2	17.6	9.1	63.6	18.2	9.1