Table 2.

Radiographic evaluation in the retroversion and control groups

Parameters	Retroversion group (33 hips)	Control group (35 hips)	Significance
Preoperative evaluation*
Centre-edge angle (°)	5.9±8.4	7.7±6.4	NS
Acetabular roof obliquity (°)	24.9±7.8	22.7±5.9	NS
Acetabular head index (%)	59.5±9.8	61.9±9.5	NS
Anterior centre-edge angle (°)	14.6±12.6	5.5±12.4	p=0.015
Latest follow-up evaluation*
Centre-edge angle (°)	28.1±7.1	28.8±7.6	NS
Acetabular roof obliquity (°)	4.9±6.2	3.7±5.3	NS
Acetabular head index (%)	87.7±8.4	85.5±17.2	NS
Anterior centre-edge angle (°)	27.3±9.2	29.7±7.3	NS
Postoperative acetabular version
Anteversion (no. of hips)	12	11
Retroversion (no. of hips)	21	24

*Values are mean±standard deviation