Table 3 The radiographic outcomes of the two groups
Variable | Low implant density | High implant density | (p-Value) |
|---|---|---|---|
TWO WEEKS POSTOPERATION | |||
 MT Cobb (°) | 18.4 ± 8.0 | 14.3 ± 7.7 | 0.046 |
 Change of MT Cobb (°) | 37.9 ± 7.9 | 38.4 ± 7.0 | 0.759 |
 Correction rate (%) | 67.9 ± 12.3 | 74.3 ± 12.9 | 0.053 |
 AVT (mm) | 17.0 ± 10.1 | 15.2 ± 9.1 | 0.474 |
 TTS (mm) | 10.4 ± 7.5 | 11.1 ± 7.9 | 0.701 |
 TK (T5–T12) | 19.5 ± 10.7 | 24.3 ± 10.0 | 0.071 |
 LL (T12–S1)  PJK(°) | −49.3 ± 10.3 9.2 ± 5.2 | −47.7 ± 10.5 9.2 ± 5.3 | 0.546 0.99 |
FINAL FOLLOW-UP | |||
 MT Cobb (°) | 18.3 ± 7.9 | 17.0 ± 8.4 | 0.550 |
 Change of MT Cobb (°) | 34.5 ± 9.9 | 37.7 ± 8.5 | 0.175 |
 Correction rate (%) | 65.0 ± 15.1 | 69.1 ± 14.5 | 0.275 |
 Loss of MT Cobb (°) | 1.9 ± 5.1 | 1.4 ± 4.7 | 0.702 |
 AVT (mm) | 14.4 ± 9.2 | 13.7 ± 9.1 | 0.781 |
 TTS (mm) | 11.1 ± 9.8 | 10.6 ± 5.9 | 0.786 |
 TK Cobb (T5–T12, °) | 22.3 ± 12.4 | 23.5 ± 9.8 | 0.658 |
 LL Cobb (T12–S1, °)  PJK(°) | −53.8 ± 8.3 10.2 ± 6.7 | −53.4 ± 10.1 13.4 ± 7.7 | 0.865 0.086 |