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. 2017 Feb 21;12:4. doi: 10.1186/s13013-017-0112-4

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