From: Feasibility of iliosacral screw placement in patients with upper sacral dysplasia
Impossible (group 1) | Feasible (group 2) | Limited feasible (group 3) | Group 1 vs. 2 Adjusted difference (95% CI), p value | Group 1 vs. 3 Adjusted difference (95% CI), p value | Group 3 vs. 2 Adjusted difference (95% CI), p value | |
---|---|---|---|---|---|---|
CSIA left (°) | n = 9 −29.3 (−31.7 to −29.2) | n = 69 −2.9 (−10.4 to 9.6) | n = 18 −16.3 (−22.4 to −9.4) | 23.8 (14.0 to 33.5) p < 0.001 | 8.4 (−2.8 to 1936) p = 0.134 | 13.8 (6.8 to 20.8) p < 0.001 |
CSIA right (°) | n = 12 −23.0 (−27.3 to −16.2) | n = 66 −2.5 (−10.1 to 10.1) | n = 18 −14.6 (−19.6 to −8.1) | 19.1 (10.5 to 27.8) p < 0.001 | 4.9 (−4.5 to 14.3) p = 0.294 | 11.3 (3.8 to 18.8) p = 0.004 |