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Table 6 Changes in cervical curvature

From: The effects of cages implantation on surgical and adjacent segmental intervertebral foramina

  Group A Group B Group C P value
α1 (°)     
 Preoperation 2.875±5.989 3.241±4.449 3.687±1.388 0.907
 Postoperation 6.105±4.132*C 7.136±4.223*C 10.348±2.859* 0.030
 Follow-up 6.256±4.072* 6.583±4.202* 9.418±2.150* 0.086
α2 (°)     
 Preoperation 11.774±11.626 11.376±10.116 12.940±5.267 0.898
 Postoperation 11.431±12.466 13.201±9.081 15.626±4.169 0.547
 Follow-up 11.064±10.262 11.524±8.672 15.985±4.142 0.27
Increase of α1 (°)     
 Postoperation 3.153±2.910C 3.911±2.696C 6.661±2.921 0.007
 Follow-up 3.288±2.951 3.372±2.519C 5.730±2.428 0.028
  1. *P < 0.05 compared with preoperative value
  2. CP < 0.05 compared with group C
  3. α1, Surgical Cobb angle
  4. α2, C2-7Cobb angle
  5. Postoperative increase of α1, postoperative α1−preoperation α1
  6. Follow-up increase of α1, follow-up α1−follow-up α1