Table 1.

Comparison of patient characteristics (mean (SD))

	Males	Females	P*
	(n = 49)	(n = 85)
Age	66.9 (12.3)	67.5 (9.8)	0.7
Height (m)	1.68 (0.7)	1.54 (1.8)	<0.001
Weight (kg)	87.2 (15.5)	75.6 (15.5)	<0.001
BMI (kg/m2)	30.6 (5.1)	31.8 (5.8)	0.2
K&L Grade 1	8	13
K&L Grade 2	8	17
K&L Grade 3	11	24
K&L Grade 4	13	22	0.93

* P ≤ 0.05.

Independent t-tests were performed to examine gender differences in age, height, weight and BMI. A Chi-square test was calculated for the relationship between K&L grade and gender. The latter test covers the entire distribution of K&L scores.

BMI - Body Mass Index

K&L - Kellgren and Lawrence radiographic grading scale