Table 1.

Change in 2D measurements and regional 3D coverage following curved periacetabular osteotomy.

Dimension	Measurement		Preoperative	Postoperative	Change
2D	LCEA	Xray-LCEA (°)	12.1 (7.2–16.3)	36.0 (31.1–42.4)	24.1 (18.6–29.9)
		CT-LCEA (°)	11.8 (6.0–17.8)	34.3 (28.7–39.1)	20.8 (14.7–30.3)
	ACEA	CT-ACEA (°)	43.3 (35.3–48.2)	59.2 (50.7–64.2)	16.0 (9.3–22.2)
		DRR-ACEA (°)	52.7 (47.3–55.7)	60.0 (52.0–64.1)	6.9 (−0.5–12.8)
3D	Anterior coverage (%)		17.7 (13.3–21.9)	22.6 (18.9–27.7)	5.3 (−0.3–10.1)
	Superior coverage (%)		36.1 (31.9–41.0)	55.1 (45.2–59.3)	15.8 (10.2–23.7)
	Posterior coverage (%)		56.1 (49.9–63.5)	44.5 (34.3–52.4)	−11.5 (−18.5–−5.6)
	Inferior coverage (%)		14.6 (11.6–16.9)	6.7 (4.0–9.9)	−6.0 (−10.1–−3.9)

Values expressed as median (interquartile range)