Average | Roussouly type I | Roussouly type II | Roussouly type III | Roussouly type IV | |
---|---|---|---|---|---|
C2–C7 angle | |||||
Pre-op. | 9.61 ± 12.26 | 8.24 ± 8.66 | 7.90 ± 12.69 | 11.08 ± 13.83 | 9.42 ± 12.36 |
Post-op. | 11.25 ± 11.89* | 9.51 ± 10.83 | 7.52 ± 11.96 | 13.05 ± 12.72 | 12.41 ± 11.18* |
C0–C2 angle | |||||
Pre-op. | 20.42 ± 9.05 | 20.94 ± 9.23 | 20.42 ± 5.91 | 20.37 ± 10.51 | 19.93 ± 7.99 |
Post-op. | 21.25 ± 8.61 | 20.58 ± 8.72 | 21.54 ± 5.60 | 22.50 ± 10.55 | 19.02 ± 4.76 |
C0–C7 angle | |||||
Pre-op. | 29.89 ± 12.15 | 29.18 ± 9.06 | 28.32 ± 9.85 | 31.07 ± 14.11 | 29.35 ± 12.58 |
Post-op. | 32.33 ± 12.07* | 30.09 ± 10.71 | 29.06 ± 8.37 | 35.09 ± 13.97* | 31.43 ± 10.68 |
EAM | |||||
Pre-op. | 5.74 ± 7.39 | 4.28 ± 6.04 | 5.19 ± 6.86 | 6.01 ± 8.00 | 7.34 ± 7.86 |
Post-op. | 1.63 ± 7.30* | −1.33 ± 7.67* | 1.73 ± 8.66 | 2.68 ± 6.33* | 2.67 ± 7.15* |
T1 slope | |||||
Pre-op. | 28.23 ± 9.69 | 27.74 ± 10.91 | 30.51 ± 6.24 | 29.74 ± 8.56 | 23.25 ± 11.67 |
Post-op. | 27.32 ± 8.50* | 26.05 ± 7.00 | 29.29 ± 4.30 | 28.03 ± 9.81* | 25.45 ± 9.39 |
TK | |||||
Pre-op. | 39.00 ± 12.58 | 35.98 ± 14.11 | 32.41 ± 9.56 | 40.81 ± 11.50 | 43.71 ± 12.87 |
Post-op. | 35.83 ± 12.26* | 32.93 ± 15.05* | 26.83 ± 7.63* | 36.88 ± 9.18* | 44.04 ± 12.41 |
LL | |||||
Pre-op. | 50.76 ± 11.13 | 43.81 ± 11.76 | 42.16 ± 9.36 | 53.01 ± 6.92 | 60.53 ± 9.62 |
Post-op. | 49.78 ± 10.28 | 45.42 ± 13.42 | 43.72 ± 5.50 | 50.20 ± 7.78* | 58.61 ± 7.91 |
PI | |||||
Pre-op. | 50.50 ± 11.03 | 41.24 ± 7.86 | 49.69 ± 9.90 | 52.84 ± 8.33 | 56.37 ± 13.84 |
Post-op. | 49.33 ± 8.95 | 41.82 ± 7.69 | 48.73 ± 7.57 | 51.69 ± 8.25 | 53.04 ± 8.12 |
SS | |||||
Pre-op. | 37.30 ± 8.30 | 26.70 ± 4.99 | 33.53 ± 5.23 | 39.19 ± 3.44 | 48.05 ± 4.08 |
Post-op. | 36.84 ± 7.58 | 30.06 ± 5.55* | 32.96 ± 4.63 | 37.53 ± 5.56* | 45.99 ± 5.34 |
SSA | |||||
Pre-op. | 129.26 ± 8.10 | 122.29 ± 6.97 | 122.43 ± 6.03 | 132.44 ± 4.06 | 135.57 ± 8.10 |
Post-op. | 128.54 ± 7.51 | 123.64 ± 8.32 | 125.13 ± 4.59* | 129.57 ± 6.82* | 134.52 ± 4.72 |
SAIV | |||||
Pre-op. | 1.45 ± 3.64 | 1.92 ± 3.34 | 1.66 ± 2.55 | 1.31 ± 3.65 | 1.01 ± 4.81 |
Post-op. | 1.03 ± 3.73 | 1.24 ± 3.90 | 1.41 ± 2.12 | 0.83 ± 4.13 | 0.94 ± 3.84 |
IAIV | |||||
Pre-op. | 4.24 ± 4.08 | 3.51 ± 7.20 | 5.92 ± 4.11 | 4.31 ± 2.70 | 2.66 ± 5.29 |
Post-op. | 3.39 ± 3.34* | 2.97 ± 4.15 | 5.56 ± 4.72 | 3.28 ± 2.31 | 1.72 ± 3.51 |