Table 2.

Subject characteristics stratified by posterior horn medial meniscal grade.

						WOMAC
	Age (yrs)	Height (cm)	Weight (kg)	BMI	Pain	Stiffness	Function
Meniscus Grade 0 (n=23)
Mean	42.9	171	72.5	24.4	3.30	1.69	7.88
SD	10.5	7.23	10.7	3.46	3.08	1.49	9.68
Mensicus Grade 1 (n= 17)
Mean	51.4 *	167	73.7	26.5	4.94	2.65	16.76
SD	11.9	10.8	16.5	5.94	4.94	1.73	17.0
p-value (vs. grade 0)	0.070				0.511	0.252	0.169
Meniscus grades 2–4 (n= 23)
Mean	59.5 *	170	79.8	27.7	7.74 *	3.48 *	25.0 *
SD	12.8	9.07	15.8	5.87	5.53	2.23	18.1
p-value (vs. grade 0)	<0.001				0.005	0.005	< 0.001
p-value (vs. grade 1)	0.090				0.148	0.347	0.220
ANOVA Prob > F	<0.001	0.210	0.198	0.099	0.007	0.008	0.001

^*Significantly different than meniscal grade 0 (p<0.05).

^#Significantly different than meniscal grade 1 (p<0.05).

BMI= body mass index; SD= standard deviation.