Table 1.
Summary of measurements for each rater for pre- and postoperative sagittal radiographs of both rounds of measurements
| Variable | Rater 1 Cobb angle, mean ± SD |
Rater 2 Cobb angle, mean ± SD |
Rater 3 Cobb angle, mean ± SD |
|||
|---|---|---|---|---|---|---|
| Round 1 | Round 2 | Round 1 | Round 2 | Round 1 | Round 2 | |
| T1–T12 | ||||||
| Preoperative | 29 ± 11 | 29 ± 11 | 30 ± 11 | 32 ± 10 | 34 ± 9 | 31 ± 10 |
| Postoperative | 26 ± 7 | 26 ± 8 | 30 ± 9 | 32 ± 8 | 31 ± 6 | 31 ± 7 |
| T2–T12 | ||||||
| Preoperative | 28 ± 12 | 28 ± 12 | 31 ± 13 | 30 ± 10 | 33 ± 14 | 28 ± 11 |
| Postoperative | 26 ± 8 | 26 ± 9 | 29 ± 8 | 31 ± 8 | 28 ± 6 | 28 ± 8 |
| T4–T12 | ||||||
| Preoperative | 24 ± 13 | 23 ± 12 | 26 ± 13 | 25 ± 12 | 29 ± 15 | 26 ± 13 |
| Postoperative | 19 ± 7 | 18 ± 6 | 21 ± 8 | 19 ± 7 | 21 ± 6 | 20 ± 6 |
| T5–T12 | ||||||
| Preoperative | 23 ± 12 | 21 ± 12 | 25 ± 12 | 23 ± 13 | 25 ± 14 | 24 ± 14 |
| Postoperative | 16 (6) | 16 ± 7 | 17 ± 7 | 16 ± 6 | 18 ± 6 | 18 ± 6 |
| T1-nonfixed | ||||||
| Preoperative | 30 ± 12 | 30 ± 11 | 30 ± 12 | 32 ± 10 | 35 ± 10 | 32 ± 11 |
| Postoperative | 27 ± 7 | 27 ± 8 | 31 ± 9 | 32 ± 7 | 32 ± 7 | 31 ± 7 |
| Nonfixed TK | ||||||
| Preoperative | 32 ± 11 | 31 ± 11 | 35 ± 12 | 35 ± 10 | 37 ± 11 | 34 ± 13 |
| Postoperative | 28 ± 8 | 28 ± 9 | 32 ± 10 | 34 ± 9 | 33 ± 7 | 32 ± 8 |
| L1–S1 | ||||||
| Preoperative | 58 ± 11 | 56 ± 10 | 55 ± 11 | 58 ± 12 | 55 ± 10 | 56 ± 10 |
| Postoperative | 55 ± 8 | 53 ± 9 | 51 ± 9 | 53 ± 9 | 49 ± 9 | 52 ± 8 |
| Nonfixed LL | ||||||
| Preoperative | 60 ± 11 | 60 ± 11 | 60 ± 12 | 62 ± 12 | 58 ± 12 | 59 ± 11 |
| Postoperative | 57 ± 9 | 55 ± 9 | 55 ± 9 | 57 ± 9 | 52 ± 9 | 54 ± 9 |
SD standard deviation, TK thoracic kyphosis, LL lumbar lordosis