Table 3. Clinical outcomes of the levels of schwannoma at thoracic vertebrae.

Groups	n	PRE JOA-C	POST JOA-C	PRE VAS	POST VAS
A	12	4.3±1.5	9.0±2.4	7.4±0.5	1.7±0.2
B	12	4.2±1.5	9.3±3.1	7.7±0.2	1.6±0.7
C	13	4.9±2.1	9.2±5.7	7.9±0.4	1.6±0.6

This table shows that the clinical outcomes of the levels of schwannoma at thoracic vertebrae.

PRE: preoperative; POST: postoperative; JOA-C: Japanese Orthopedic Association scores (JOA scores) for cervical vertebra; VAS: Visual Analogue Pain Score.

Data are expressed as the mean ± standard deviation.