Table 3 The results of the independent sample t-test between first 17 patients and the last 17 patients operated with 5.5 mm rods and one surgeon
Difference between the pre- and the postoperative measures of: | Mean difference | 95% CI | P-value | |
|---|---|---|---|---|
Lower bound | Upper bound | |||
Restoration of thoracic kyphosis | 1° | -3.1° | 5.1° | 0.621 |
Vertebral rotation | 0.08° | -2.2° | 4.8° | 0.941 |