Table 2. Effects of time on gait parameters in the TKA and THA group.

	TKA (n = 24)							THA (n = 24)
		Baseline –2 months			2 months –15 months				Baseline –2 months			2 months –15 months
Gait parameters	Baseline (intercept)	Mean difference (95% CI)	P value	P corr	Mean difference (95% CI)	P value	P corr	Baseline (intercept)	Mean difference (95% CI)	P value	P corr	Mean difference (95% CI)	P value	P corr
Gait speed (m/s)	0.99	−0.04 (−0.10, 0.03)	0.272	0.569	0.22 (0.15, 0.29)	<0.001	<0.001	0.96	0.04 (−0.02, 0.10)	0.245	0.514	0.14 (0.06, 0.20)	<0.001	0.003
Stride Length (m)	1.16	−0.002 (−0.05, 0.05)	0.924	0.924	0.14 (0.09, 0.19)	<0.001	<0.001	1.11	0.05 (0.002, 0.10)	0.049	0.306	0.07 (0.02, 0.13)	0.013	0.076
Cadence (steps/min)	102.8	−3.8 (−6.8, −0.8)	0.016	0.081	10.1 (7.0, 13.2)	<0.001	<0.001	103.0	−1.1 (−3.9, 1.7)	0.453	0.514	6.9 (3.8, 10.1)	<0.001	<0.001
Peak turning velocity (deg/s)	164.0	8.5 (−6.5, 23.7)	0.275	0.759	17.4 (1.7, 33.0)	0.035	0.105	171.2	19.1 (6.9, 31.5)	0.004	0.033	11.1 (−2.5, 24.9)	0.121	0.484
Step time asymmetry (%)	–	–	–	–	–	–	–	4.3	−0.7 (−2.0, 0.6)	0.292	0.514	−1.0 (−2.4, 0.3)	0.155	0.553
Stride time variability (%)	2.3	0.2 (−0.2, 0.6)	0.380	0.569	−0.3 (−0.8, 0.1)	0.117	0.234	2.5	−0.1 (−0.5, 0.3)	0.514	0.514	−0.2 (−0.7, 0.2)	0.277	0.831
Lumbar sagittal RoM (deg)	–	–	–	–	–	–	–	8.1	−1.9 (−3.0, −0.8)	0.001	0.013	0.1 (−1.1, 1.3)	0.870	0.870
Lumbar coronal RoM (deg)	–	–	–	–	–	–	–	5.2	0.4 (−0.3, 1.3)	0.255	0.514	1.4 (0.6, 2.1)	0.001	0.010
Trunk coronal RoM (deg)	7.8	−1.0 (−1.6, −0.3)	0.009	0.049	0.1 (−0.6, 0.9)	0.710	0.710	8.1	−0.6 (−1.3, 0.1)	0.087	0.439	0.1 (−0.6, 0.8)	0.797	0.870

Notes.

TKA

total knee arthroplasty

THA

total hip arthroplasty

RoM

range of motion

P _corr

Hommel adjusted p-value

Data are presented as mean (95% CI).