Table 3.

Gait measures one (1 yr) and five (5 yr) years after surgery, with their evolutions between time points

Measures	Time points		Evolution
	1 yr n = 83	5 yr n = 71	5–1 yr n = 58
Speed (m/s)	1.2 [1.0; 1.3]	1.1 [1.0; 1.2]	− 0.1 [− 0.2; 0.0]
GCD (s)	1.1 [1.1; 1.2]	1.1 [1.0; 1.2]	0.0 [0.0; 0.0]
Stride length (m)	1.3 [1.2; 1.4]	1.2 [1.1; 1.3]	− 0.1 [− 0.1; 0.0]
Stance duration (%GCD)	60.2 [59.1; 61.6]	59.9 [58.2; 61.8]	− 0.9 [− 1.6; 0.9]
Double support duration (%GCD)	20.3 [18.2; 23.3]	19.9 [16.3; 23.6]	− 1.7 [− 3.2; 1.9]
Limp (%GCD)	1.6 [1.1; 2.3]	2.5 [1.6; 4.0]	0.6 [− 0.2; 1.7]
Thigh ROM (°)	41.2 [37.2; 45.9]	40.2 [38.0; 44.9]	− 0.3 [− 4.0; 2.5]
Knee ROM (°)	56.2 [51.9; 60.9]	49.5 [45.8; 54.7]	− 4.9 [− 10.2; − 0.6]
Shank ROM (°)	71.8 [66.5; 75.4]	67.7 [61.9; 72.6]	− 4.6 [− 7.9; − 1.1]

Data are reported as median [25th percentile; 75th percentile]

GCD gait cycle duration, ROM range of motion, n number of prostheses

Statistically significant changes between time points are bolded (p ≤ 0.05)