Table 1 Comparison of preoperative pulmonary function tests for scoliosis
Cobb | FVC | FVC ratio | FEV1 | FEV1 ratio | PEF | PEF ratio | |
|---|---|---|---|---|---|---|---|
(deg) | (L) | (%) | (L) | (%) | (L/min) | (%) | |
Extremely severe | 110.917 | 2.l90 | 73.149 | 1.914 | 73.667 | 4.699 | 81.303 |
Mild and moderate | 55.336 | 2.761 | 83.471 | 2.440 | 87.593 | 6.592 | 88.608 |
t | 26.227 | −3.817 | −4.136 | −5.742 | −5.476 | −0.538 | −2.667 |
P | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.591 | 0.008 |