表 1.
Comparison of imaging parameters at different time points before and after operation (n=22, °,
)
患者手术前后各时间点各影像学指标比较（n=22，°，
）
| 时间
Time |
POCA | O-C2 角
O-C2 angle |
Cobb 角
Cobb angle |
|
*与术前比较 P<0.05，#与术后 3 d 比较 P<0.05
*Compared with preoperative value, P<0.05;#compared with postoperative value at 3 days, P<0.05 | |||
| 术前
Preoperative |
122.8±10.1# | 4.1±5.8# | 24.7±13.1 |
| 术后 3 d
Postoperative at 3 days |
114.2± 6.9* | 8.0±4.8* | 21.9±11.2 |
| 末次随访
Last follow-up |
113.7± 7.7* | 8.1±4.2* | 20.6± 9.1 |
| 统计值
Statistic |
F=8.287
P=0.001 |
F=4.560
P=0.014 |
F=0.753
P=0.475 |