Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 4 Comparison of clinical data and postoperative spinopelvic parameters of four current sagittal profiles
Type 1 | Type 2 | Type 3 | Type 4 | P value | |
|---|---|---|---|---|---|
Age at surgery, years | 61.3 ± 11.3 | 60.2 ± 10.8 | 59.4 ± 9.5 | 61.3 ± 8.0 | 0.714 |
Fusion level | |||||
L4–5 | 12(35.3%) | 24(32.4%) | 68(65.4%) | 14(63.6%) | < 0.001 |
L3–5 | 22(64.7%) | 50(67.6%) | 36(34.6%) | 8(36.4%) | |
PT, ° | 14.8 ± 5.2 | 18.5 ± 7.1 | 16.2 ± 6.1 | 17.4 ± 6.9 | 0.024 |
PI, ° | 42.3 ± 6.9 | 46.9 ± 9.0 | 53.9 ± 6.6 | 63.6 ± 5.3 | < 0.001 |
SS, ° | 27.4 ± 4.8 | 28.4 ± 4.9 | 37.7 ± 3.0 | 46.2 ± 3.2 | < 0.001 |
LL, ° | 41.9 ± 6.9 | 39.8 ± 7.5 | 51.7 ± 7.6 | 61.8 ± 7.6 | < 0.001 |
DL, ° | 31.7 ± 5.4 | 24.1 ± 7.3 | 32.5 ± 7.3 | 36.2 ± 9.2 | < 0.001 |
SL, ° | 19.7 ± 5.1 | 18.2 ± 7.9 | 21.8 ± 5.7 | 27.8 ± 8.0 | < 0.001 |
LDI, % | 77.0 ± 15.3 | 61.4 ± 17.0 | 63.3 ± 13.1 | 60.3 ± 14.1 | < 0.001 |
SVA, mm | 1.7 ± 24.5 | 11.2 ± 30.0 | 8.4 ± 28.6 | 2.6 ± 28.5 | 0.336 |
PI − LL | |||||
≤ 10° | 28(82.4%) | 52(70.3%) | 80(76.9%) | 20(90.9%) | 0.184 |
> 10° | 6(17.6%) | 22(29.7%) | 24(23.1%) | 2(9.1%) | |