Table 3.

Differences based on gender or age

Measurement	Gender/age	Mean	Standard deviation	p Value	Power
SOS/IOS	Male	0.84	0.37	< 0.01	0.91
	Female	0.97	0.39	< 0.01	0.91
AP physeal angle	Male	72.75°	6.74°	< 0.01	0.99
	Female	75.93°	7.01°	< 0.01	0.99
Lateral physeal angle	Male	80.66°	7.23°	< 0.01	0.91
	Female	83.01°	6.49°	< 0.01	0.91
Alpha angle	Male	47.50°	10.71°	< 0.01	0.94
	Female	43.71°	9.88°	< 0.01	0.94
Alpha angle	< 50 years	43.70°	9.68°	< 0.01	0.99
	> 50 years	49.62°	10.93°	< 0.01	0.99

SOS = superior offset; IOS = inferior offset; AP = anteroposterior.