Table 4 Correction of deformity and follow-up data
From: Modified C7 pedicle subtraction osteotomy for the correction of cervicothoracic kyphosis
Case | C2-T1 kyphosis (°) | CBVA (°) | C2-T1 SVA (cm) | VAS | PCS score | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Preop | Postop | Correction | Preop | Postop | Correction | Preop | Postop | Correction | Preop | Follow-up | Preop | Follow-up | |
1 | 34 | 5 | 29 | 50 | 15 | 35 | 7 | 2.5 | 4.5 | 9 | 3 | 21 | 52 |
2 | 24 | −14 | 38 | 48 | −3 | 51 | 8 | 3.8 | 4.2 | 9 | 1 | 23 | 53 |
3 | 29 | 3 | 26 | 43 | −2 | 45 | 7 | 3.4 | 3.6 | 8 | 0 | 20 | 52 |
4 | 27 | 3 | 24 | 40 | −3 | 43 | 6 | 2.9 | 3.1 | 8 | 2 | 17 | 54 |
5 | 28 | −7 | 35 | 35 | −1 | 36 | 7 | 3.3 | 3.7 | 8 | 2 | 22 | 53 |
6 | 16 | −17 | 33 | 44 | −5 | 49 | 5.5 | 2.2 | 3.3 | 9 | 3 | 21 | 54 |
7 | 26 | −11 | 37 | 46 | −7 | 53 | 6 | 2.7 | 3.3 | 9 | 1 | 21 | 55 |
Mean | 26.3 | −5.4 | 31.7 | 43.7 | −0.9 | 44.6 | 6.6 | 3.0 | 3.7 | 8.6 | 1.7 | 20.7 | 53.3 |