Table 5 Comparison with previous studies reporting two-level PSO.
Study | Number of the patients | Average age | Osteotomy sites | Operation time (min) | EBL (ml) | LL correction (deg) | SS correction (deg) | GK correction (deg) | SVA correction (cm) |
|---|---|---|---|---|---|---|---|---|---|
Zheng (2016)22 | 10 (1 F/9 M) | 33 | T12/L2 in 4 L1/L3 in 6 | 292 ± 47 | 2132 ± 837 | 42.0 | − 24.3 | 71 | 14.3 |
Zhang (2014)18 | 9 (1 F/8 M) | 41.4 ± 5.7 | T12/L3 in 9 | 402.8 ± 50.3 | 3311 ± 523.1 | 33.2 ± 2.4 | – | 54.0 ± 14.8 | 23.9 ± 4.4 |
Huang (2021)8 | 21 (4 F/17 M) | 34.3 ± 9.9 | L1/L4 in 10 L2/L5 in 9 T12/L3 in 1 L2/L4 in 1 | 525 ± 71 | 3261 ± 1559 | 77.7 ± 15.4 | − 25.3 ± 8.4 | 79.7 ± 14.6 | 19.4 ± 6.7 |
Zhong (2019)17 | 10 (0 F/10 M) | 36.8 ± 11.2 | T12/L3 or L1/L4 | 460 ± 75 | 2560 ± 1109 | 37.0 ± 17.4 | − 17.2 ± 8.8 | 69.9 ± 14.9 | 16.8 ± 6.7 |
Xu (2015)11 | 23 (2 F/21 M) | 41 ± 11.6 | T12/L2 in 2 T12/L3 in 7 L1/L3 in 14 | 282 ± 43 | 2202 ± 737 | 53.3 | – | 60.6 ± 19.1 | 23.6 ± 10.2 |
This study | 25 (0 F/25 M) | 39.6 ± 10.3 | L1/L3–L4 in 22 L1/L4–L5 in 1 T12/L2–L3 in 2 | 372.6 ± 60.1 | 1790.4 ± 953.3 | 56.7 ± 17.7 | − 20.2 ± 12.6 | 69.3 ± 23.2 | 17.3 ± 11.2 |
