From: Retrospective study on effectiveness of Activ L total disc replacement
Pre-op | 1 month Post-op | 1 year Post-op | 3 years Post-op | F | P | |
---|---|---|---|---|---|---|
LL | 40.21 ± 2.60 | 37.07 ± 1.82 | 43.31 ± 2.10 | 44.41 ± 2.10 | 5.258 | 0.003 |
PI | 49.79 ± 7.20 | 49.59 ± 7.14 | 50.34 ± 7.67 | 50.24 ± 7.48 | 2.161 | 0.107 |
PT | 16.00 ± 8.30 | 15.24 ± 7.26 | 13.86 ± 7.03 | 14.86 ± 7.91 | 0.657 | 0.558 |
IL | 18.66 ± 1.86 | 23.07 ± 1.07 | 25.41 ± 1.71 | 25.93 ± 1.69 | 19.728 | < 0.001 |
SS | 33.79 ± 1.92 | 34.35 ± 1.78 | 36.48 ± 1.66 | 35.38 ± 1.55 | 1.182 | 0.320 |
SL (L2–3) | 0.41 ± 0.71 | − 0.41 ± 0.66 | − 0.21 ± 0.70 | 0.48 ± 0.67 | 2.105 | 0.116 |
SL (L3–4) | 6.48 ± 1.03 | 5.62 ± 0.97 | 7.00 ± 1.09 | 7.41 ± 0.99 | 2.438 | 0.083 |
SL (L4–5) | 16.52 ± 1.53 | 17.86 ± 1.40 | 20.35 ± 1.32 | 21.03 ± 1.33 | 7.768 | < 0.001 |
SL (L5-S1) | 19.10 ± 1.49 | 19.69 ± 1.07 | 20.79 ± 1.28 | 21.28 ± 1.23 | 1.421 | 0.250 |