Table 3.

Between-group comparisons in DSB metrics

	Pre-surgical compared to post-surgical (paired)	Pre-surgical compared to controls (unpaired)	Post-surgical compared to controls (unpaired)
Time	− 37% p < 0.001	+ 38%, p < 0.0001	+ 15%, p = 0.04
Peak SVA	− 28%, p < 0.001	+ 101%, p < 0.0001	+ 30%, p = 0.002
Vertical momentum	n.s.	n.s.	− 30%, p = 0.001
Horizontal momentum	n.s.	n.s.	− 15%, p = 0.01
Standing COP	n.s.	n.s.	n.s.
Dynamic COP	n.s.	n.s.	n.s.
Lumbar torque	− 29%, p = 0.002	+ 32%, 0.02	n.s.
Peak muscle force	− 30%, p = 0.002	+ 22%, p = 0.05	n.s.
Max sacral compression	− 23%, p = 0.007	n.s.	− 10%, p = 0.03
Max sacral shear	− 19%, p = 0.02	n.s.	− 15%, p = 0.007
Hip torque	− 33%, p = 0.0006	+ 30%; p = 0.01	n.s.
Hip motoric energy	− 65%, p = 0.005	+ 64%, p = 0.003	n.s.
Max hip flexion	− 28%, p < 0.001	− 31%, p < 0.0001	− 16%, p = 0.0001
Max hip extension	n.s.	− 4%, p < 0.001	− 6%, p < 0.01
Knee torque	n.s.	n.s.	n.s.
Knee motoric energy	+ 26%, p = 0.04	+ 16%, p = 0.01	+ 31%, p = 0.02
Max knee flexion	+ 7%, p = 0.04	n.s.	+ 13%, p < 0.001
Max knee extension	n.s.	n.s.	n.s.

Data between pre- and post-surgery time points were compared using a paired t test. Data between the separate surgery time points and controls were compared using an unpaired t test. Data were reported for significant results, and nonsignificant data (n.s., p > 0.05) were not reported