Table 5.

The effect of rotation of the proximal femur on BMD of the hip (rotation group, 21 patients, 42 hips). Values are mean (SD) in g/cm²

Part a	Zero	External	Δ(%) b	p-value c
FN	0.87 (0.13)	0.87 (0.13)	0.3%	0.7
TR	0.72 (0.12)	0.74 (0.12)	–2.4%	<0.001
TH	0.88 (0.13)	0.88 (0.13)	–0.5%	0.3

^a FN: femoral neck; TR: trochanteric region; TH: total hip.

^b Percentage difference Zero–External

^c Paired t-test