Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 2 Comparison of spinopelvic parameters between the non-ASD and ASD groups
Non-ASD | ASD | P value | |
|---|---|---|---|
Preoperative | |||
PT, ° | 18.3 ± 7.5 | 17.9 ± 8.6 | 0.731 |
PI, ° | 51.2 ± 9.3 | 49.2 ± 9.9 | 0.128 |
SS, ° | 32.9 ± 6.9 | 31.3 ± 8.9 | 0.173 |
LL, ° | 45.1 ± 10.6 | 39.2 ± 15.0 | 0.004 |
DL, ° | 28.6 ± 8.6 | 26.1 ± 11.0 | 0.090 |
SL, ° | 19.6 ± 7.8 | 18.9 ± 11.1 | 0.663 |
LDI, % | 65.5 ± 21.2 | 67.5 ± 23.0 | 0.519 |
SVA, mm | 11.6 ± 36.8 | 28.5 ± 47.7 | 0.010 |
PI − LL | |||
≤ 10° | 110 (66.3%) | 46 (67.6%) | 0.839 |
> 10° | 56 (33.7%) | 22 (32.4%) | |
Postoperative | |||
PT, ° | 17.1 ± 6.0 | 16.4 ± 7.6 | 0.501 |
PI, ° | 51.7 ± 9.2 | 48.9 ± 9.7 | 0.042 |
SS, ° | 34.6 ± 6.7 | 32.6 ± 8.2 | 0.047 |
LL, ° | 48.9 ± 9.6 | 43.9 ± 11.1 | 0.001 |
DL, ° | 31.3 ± 8.2 | 27.4 ± 8.5 | 0.001 |
SL, ° | 20.8 ± 7.3 | 21.0 ± 6.7 | 0.803 |
LDI, % | 64.9 ± 15.3 | 63.2 ± 16.6 | 0.442 |
SVA, mm | 7.8 ± 28.7 | 7.8 ± 28.1 | 0.994 |
PI − LL | |||
≤ 10° | 132 (79.5%) | 48 (70.6%) | 0.141 |
> 10° | 34 (20.5%) | 20 (29.4%) | |
Roussouly type match | |||
Matched | 86 (51.8%) | 13 (19.1%) | < 0.001 |
Mismatched | 80 (48.2%) | 55 (80.9%) | |
Theoretical sagittal profile | |||
Roussouly type 1 | 17 (10.2%) | 8 (11.8%) | 0.091 |
Roussouly type 2 | 15 (9.0%) | 14 (20.6%) | |
Roussouly type 3 | 102 (61.4%) | 34 (50.0%) | |
Roussouly type 4 | 32 (19.3%) | 12 (17.6%) | |
Current sagittal profile | |||
Roussouly type 1 | 22 (13.3%) | 12 (17.6%) | < 0.001 |
Roussouly type 2 | 38 (22.9%) | 36 (52.9%) | |
Roussouly type 3 | 92 (55.4%) | 12 (17.6%) | |
Roussouly type 4 | 14 (8.4%) | 8 (11.8%) | |