Table 2.

Multiple comparisons of post hoc tests for stepping time and steps.

Physical activity	Time (I)	Time (J)	Mean Difference (I-J)	Standard Error	Significant	95% Confidence Interval for Difference
						Lower Bound	Upper Bound
Stepping time	Pre-TKA	6 months post-TKA	−11.48	2.04	.0001	−16.64	−6.31
		12 months post-TKA	−22.66	2.24	.0001	−28.32	−16.99
	6 months post-TKA	Pre-TKA	11.48	2.04	.0001	6.31	16.64
		12 months post-TKA	−11.18	2.03	.0001	−16.32	−6.05
	12 months post-TKA	Pre-TKA	22.66	2.24	.0001	16.99	28.32
		6 months post-TKA	11.18	2.03	.0001	6.05	16.32
Steps Number	Pre-TKA	6 months post-TKA	−613	89.63	.0001	−839	−386
		12 months post-TKA	−1934	105.35	.0001	−2200	−1668
	6 months post-TKA	Pre-TKA	613	89.63	.0001	386	839
		12 months post-TKA	−1321	58.02	.0001	−1467	−1174
	12 months post-TKA	Pre-TKA	1934	105.35	.00011	1668	2200
		6 months post-TKA	1321	58.02	.000	1174	1467