Table 2 Relationship between radiographic parameters and curve magnitude
From: Patterns of coronal and sagittal deformities in adolescent idiopathic scoliosis
|  | Major curve 10–20° mean (°) ± SD (range) n = 282 | Major curve > 20–40° mean (°) ± SD (range) n = 668 | Major curve > 40° mean (°) ± SD (range) n = 104 | p-value^ | Post-hoc pairwise comparison |
|---|---|---|---|---|---|
| Â | Group 1 | Group 2 | Group 3 | Â | Â |
PI | 46.7 ± 10.5 (22.1–76.2) | 47.6 ± 12.0 (15.8–97.2) | 49.7 ± 13.0 (3.6–87.1) | 0.076 |  |
PT | 8.7 ± 8.2 (− 20.5–35.3) | 9.0 ± 8.7 (− 17.6–44.4) | 9.4 ± 9.5 (− 30.8–28.1) | 0.744 |  |
SS | 37.9 ± 8.4 (13.4–62.6) | 38.6 ± 9.2 (11.4–69.3) | 40.4 ± 9.5 (9.4–64.6) | 0.070 |  |
PI-LL | −2.9 ± 11.5 (− 46.2–26.9) | −1.7 ± 12.3 (− 44.3–36.3) | −0.1 ± 14.1 (− 53.2–29.9) | 0.086 |  |
LL | 49.6 ± 11.8 (17.0–81.2) | 49.3 ± 12.0 (13.7–90) | 49.9 ± 13.2 (9.1–89.8) | 0.913 |  |
TK | 19.4 ± 10.1 (− 4.1–71.1) | 17.8 ± 10.4 (− 24.7–69.3) | 17.3 ± 12.3 (− 23.8–58.9) | 0.029* | Group 3 vs 2: 1.000 Group 3 vs 1: 0.080 Group 2 vs 3: 0.065 |
Major curve | 16.5 ± 2.5 (10.1–20.0) | 27.8 ± 5.3 (20.1–40.0) | 49.9 ± 8.8 (40.1–85.8) | < 0.001* | Group 3 vs 2: < 0.001* Group 3 vs 1: < 0.001* Group 2 vs 3: < 0.001* |