Table 3.

Femoral head size evaluation

Experiment	Kolibri®	Calculated/average		Difference	P value	Mean difference	Standard deviation	95% C.I.
NH 1	49	48.48	48.41	0.59	0.06	1.25	0.37	0.79 and 1.70
NH 2	47	48.29		1.41
NH 3	47	48.61		1.41
NH 4	47	48.33		1.41
NH 5	47	48.34		1.41
IH 1	49	49.09	48.98	0.02	0.7	0.02	0.00	0.02
IH 2	49	48.94		0.02
IH 3	49	49.09		0.02
IH 4	49	48.90		0.02
IH 5	49	48.88		0.02
PH 1	49	49.39	49.41	0.41	0.08	1.41	1.41	−0.34 and 3.17
PH 2	49	49.45		0.41
PH 3	47	49.52		2.41
PH 4	46	49.24		3.41
PH 5	49	49.47		0.41
SH 1	46	49.11	48.90	2.90	0.11	1.78	1.68	−0.32 and 3.87
SH 2	45	48.99		3.90
SH 3	49	49.28		0.10
SH 4	49	48.53		0.10
SH 5	47	48.57		1.90

All values are in mm.