Table 2.
Preoperative deg mean (range) | Postoperative deg mean (range) | PJK (No. of patients) | DJK (No. of patients) | |
---|---|---|---|---|
A.1 (T12-S1) | −47 (−20 to −56) | −50 (−42 to −60) | 3 | 1 |
A.2 (T12−S1) | −50 (−18 to −61) | −56 (−46 to −62) | 0 | 0 |
B.1 (T5-T12) | 22 (12 to 33) | 36 (30 to 42) | 0 | 2 |
B.2 (T5-T12) | 20 (10 to 38) | 33 (28 to 36) | 0 | 2 |
C.1 (T5-T12) | 20 (8 to 36) | 35 (30 to 42) | 0 | 1 |
C.2 (T5-T12) | 24 (12 to 30) | 33 (28 to 40) | 0 | 2 |
PJK: proximal junction kyphosis, DJK: distal junction kyphosis