. 2013 Sep 13;37(12):2443–2449. doi: 10.1007/s00264-013-2090-3

Table 3.

Mean, standard deviation (SD) and 95 % confidence interval (CI) of vertical, coronal posterior acetabular arc angle (PAAA) of the femoral head and coronal posterior acetabular wall depth of high and low posterior acetabular wall fractures

	High wall fracture (n = 16)	Low wall fracture (n = 5)	P value
Coronal PAAA (°)	54.50 ± 9.66 (45–76)	54.40 ± 7.93 (42–62)	0.984
Coronal PAAA (°)	(95 % CI 49.35–59.65)	(95 % CI 44.56–64.24)	0.984
Vertical PAAA (°)	107.63 ± 16.88 (74–134)	82.60 ± 20.60 (63–113)	0.013
Vertical PAAA (°)	(95 % CI 98.63–116.62)	(95 % CI 57.02–108.18)	0.013
Coronal posterior acetabular wall depth (mm)	15.46 ± 4.57 (9.28–24.60)	13.81 ± 3.91 (8.70–18.59)	0.478
Coronal posterior acetabular wall depth (mm)	(95 % CI 13.02–17.89)	(95 % CI 8.96–18.66)	0.478