Table 2

Radiographic variables of the groups studied

Radiographic variable
Control Mean (range)
DDH Mean (range)
PPA Mean (range)

Centre edge angle (left)
34.3 (32.9–35.6)
20.1 (15.4–23.1)
45.1 (35.7–46.0)
Centre edge angle (right)
34 (32.8–35.2)
24 (20.2–28.5)
42.9 (37.9–46.6)
Acetabular index (left)
9.9 (9.2–10.6)
27.4 (24.7–30.5)
-4.6 (-7.9–-0.6)
Acetabular index (right)
10.2 (9.4–10.9)
20.3 (16.3–24.2)
-3.6 (-7.0–0.5)

Kapoor et al. Journal of Negative Results in BioMedicine 2007 6:7   doi:10.1186/1477-5751-6-7