Knee Flexion and Daily Activities in Patients following Total Knee Replacement: A Comparison with ISO Standard 14243

Table 4

Mean, one standard deviation, and range of relative time, step counts, and number of sequences for all tested activities for all included subjects (). Time and steps were normalized to 12 hours.

Parameter	Activity	Mean; (1 SD)	Range
Time [%]	Lying down	7.8 (10.5)	0.0–36.5
	Sitting	59.9 (14.7)	33.6–96.3
	Standing	12.7 (5.8)	0.6–25.8
	Level walking	7.8 (3.8)	1.1–14.5
	Stair walking	0.1 (0.1)	0.0–0.6
	Unrecognized	11.7 (3.6)	1.4–15.5
Steps	Stair walking	65 (70)	0–319
	Level walking	3037 (1523)	343–5857
	Total	3102 (1553)	343–6113
	Pedometer	2796 (1848)	258–7152
Sequence	Lying down	2 ()	0–11
	Sitting	57 ()	25–144
	Standing	514 (233)	25–945
	Level walking	357 (165)	57–752
	Stair walking	8 ()	0–70
	Unrecognized	1551 (689)	184–3001