Table 2 The comparison between PJK and Non-PJK patients
Variables | PJK (n = 23) | Non-PJK (n = 75) | P value |
|---|---|---|---|
Age (years) | 15.3 ± 2.6 | 15.7 ± 2.6 | 0.49 |
Risser sign | 2.9 ± 1.7 | 3.5 ± 1.5 | 0.08 |
Extended fusion | 14/23 | 24/75 | 0.01 |
TK(°) | |||
Pre | 27.4 ± 13.7 | 18.7 ± 8.3 | < 0.01* |
Post | 26.6 ± 7.4 | 20.6 ± 7.5 | < 0.01* |
Follow | 31.8 ± 10.2 | 21.5 ± 8.1 | < 0.01* |
GTK (°) | |||
Pre | 35.8 ± 12.2 | 26.4 ± 11.8 | < 0.01* |
Post | 37.7 ± 8.2 | 29.1 ± 10.1 | < 0.01* |
Follow | 42.2 ± 9.2 | 30.3 ± 10.4 | < 0.01* |
TIA (°) | |||
Pre | 74.6 ± 4.8 | 64.5 ± 6.2 | < 0.01* |
Post | 73.5 ± 5.1 | 65.5 ± 6.5 | < 0.01* |
Follow | 74.3 ± 5.0 | 64.9 ± 6.3 | < 0.01* |
T1 tilt(°) | |||
Pre | 19.0 ± 8.3 | 14.0 ± 9.2 | 0.02* |
Post | 22.1 ± 7.5 | 15.0 ± 9.4 | < 0.01* |
Follow | 24.2 ± 7.2 | 16.0 ± 8.5 | < 0.01* |
PJA (°) | |||
Pre | 9.4 ± 4.1 | 8.7 ± 4.3 | 0.50 |
Post | 16.7 ± 4.5 | 9.5 ± 4.7 | < 0.01* |
Follow | 24.5 ± 6.6 | 11.8 ± 4.9 | < 0.01* |
Increasing PJK | 15.1 ± 4.9 | 3.0 ± 3.4 | < 0.01* |
LL(°) | |||
Pre | 55.2 ± 11.8 | 50.6 ± 10.7 | 0.09 |
Post | 54.4 ± 9.1 | 50.0 ± 8.8 | 0.04* |
Follow | 57.1 ± 8.6 | 50.9 ± 9.0 | 0.01* |
PI(°) | |||
Pre | 46.1 ± 11.0 | 45.6 ± 9.7 | 0.84 |
Post | 45.9 ± 10.9 | 45.8 ± 10.0 | 0.96 |
Follow | 45.6 ± 10.7 | 45.6 ± 10.0 | 0.99 |
PT(°) | |||
Pre | 6.5 ± 7.8 | 6.9 ± 7.4 | 0.80 |
Post | 8.1 ± 8.6 | 9.2 ± 6.4 | 0.50 |
Follow | 7.9 ± 7.8 | 8.8 ± 7.4 | 0.62 |
SS(°) | |||
Pre | 39.6 ± 8.3 | 38.6 ± 7.7 | 0.61 |
Post | 37.7 ± 7.4 | 36.6 ± 7.5 | 0.52 |
Follow | 37.7 ± 7.7 | 36.9 ± 8.0 | 0.65 |
PI-LL(°) | |||
Pre | -9.1 ± 12.1 | -5.1 ± 11.2 | 0.14 |
Post | -8.5 ± 11.0 | -4.2 ± 9.0 | 0.06 |
Follow | -11.5 ± 9.8 | -5.2 ± 9.5 | 0.01* |
SVA (mm) | |||
Pre | -10.4 ± 36.0 | -7.7 ± 25.3 | 0.69 |
Post | -4.2 ± 22.7 | -8.3 ± 25.4 | 0.50 |
Follow | -9.3 ± 19.5 | -8.2 ± 25.3 | 0.85 |