Table 1 Basic information of patients in two groups
Patients (F) | Age | Course of disease | Risser | Percentage flexibility (%) | Pinning density | Fused segments | ||
|---|---|---|---|---|---|---|---|---|
A | 32 | 22 | 16.1 ± 1.9 | 3.5 ± 1.1 | 3.3 ± 0.9 | 34.7 ± 7.9 | 66.1 ± 7.7 | 10.3 ± 2.0 |
B | 33 | 23 | 15.7 ± 1.9 | 3.3 ± 1.3 | 3.1 ± 1.0 | 47.5 ± 6.8 | 66.4 ± 7.3 | 9.6 ± 2.3 |
×2 = 0.007 | t = 0.703 | t = 0.766 | t = 0.830 | t = −6.998 | t = −0.128 | t = 1.416 | ||
P = 0.934 | P = 0.484 | P = 0.447 | P = 0.410 | P = 0.000 | P = 0.898 | P = 0.162 |