Table 10.

Baseline Frequencies of Meniscus Pathology

N = 278			All knees		No ROA		ROA
			Frequency	Percent	Frequency	Percent	Frequency	Percent	p-value
MFTJ	Maximum score	0	46	16.5	35	27.8	11	7.2	0.0000
		1	90	32.4	55	43.7	35	23.0
		2	22	7.9	11	8.7	11	7.2
		3	9	3.2	7	5.6	2	1.3
		4	18	6.5	8	6.3	10	6.6
		6	89	32.0	10	7.9	79	52.0
		7	4	1.4	0	0.0	4	2.6
	Meniscus morphology	No/Signal	136	48.9	90	71.4	46	30.3	0.0000
		Tear	49	17.6	26	20.6	23	15.1
		Maceration	93	33.5	10	7.9	83	54.6
	Root tear	No	269	96.8	126	100.0	143	94.1	0.0056
		Yes	9	3.2	0	0.0	9	5.9
	Maximum extrusion	0	112	40.3	76	60.3	36	23.7	0.0000
		1	72	25.9	37	29.4	35	23.0
		2	59	21.2	12	9.5	47	30.9
		3	35	12.6	1	0.8	34	22.4
LFTJ	Maximum score	0	168	60.4	88	69.8	80	52.6	0.0002
		1	45	16.2	19	15.1	26	17.1
		2	18	6.5	11	8.7	7	4.6
		3	4	1.4	4	3.2	0	0.0
		4	7	2.5	3	2.4	4	2.6
		6	33	11.9	1	0.8	32	21.1
		7	3	1.1	0	0.0	3	2.0
	Meniscus morphology	No/Signal	213	76.6	107	84.9	106	69.7	0.0004
		Tear	29	10.4	18	14.3	11	7.2
		Maceration	36	12.9	1	0.8	35	23.0
	Root tear	No	276	99.3	126	100.0	150	98.7	0.1971
		Yes	2	0.7	0	0.0	2	1.3
	Maximum extrusion	0	238	85.6	117	92.9	121	79.6	0.0009
		1	15	5.4	7	5.6	8	5.3
		2	12	4.3	2	1.6	10	6.6
		3	13	4.7	0	0.0	13	8.6