Table 2.

Primary THA: unadjusted prevalence (percentage) of functional limitation preoperative and at the two follow-up periods (2 and 5 years)

		None	Mild	Moderate	Severe
Walking limitations	Preoperative	8.6	21.2	49.7	20.4
	2-year	52.3	20.1	21.9	5.7
	5-year	44.7	21.4	25.3	8.6
Stair limitations	Preoperative	5.4	28.2	60.2	6.2
	2-year	47.6	34.5	16.3	1.5
	5-year	43.8	34.8	19.2	2.2
Socks/shoes limitations	Preoperative	14.4	NA	68.6	17.0
	2-year	75.2	NA	21.2	3.7
	5-year	72.6	NA	22.9	4.5
Pick up objects limitations	Preoperative	16.3	NA	72.2	11.6
	2-year	75.7	NA	22.0	2.3
	5-year	72.7	NA	23.8	3.5
In/out of car limitations	Preoperative	15.7	NA	83.0	1.3
	2-year	85.0	NA	14.7	0.3
	5-year	81.9	NA	17.7	0.3
Rise from chair limitations	Preoperative	8.1	55.6	35.6	0.7
	2-year	45.8	46.3	7.5	0.4
	5-year	42.5	47.1	9.6	0.8
Sitting limitations	Preoperative	64.8	26.6	8.3	0.3
	2-year	93.8	5.2	0.9	0.1
	5-year	92.4	6.5	1.0	0.2

NA: not applicable, since these ADLs did not have a response for the mild limitation category.