Table 2.

Results of the probing and the aspiration tests in both the ACL and the control group

Group	Type of lateral meniscus tear	n	Aspiration test		Probing test
			Positive	Negative	Positive	Negative
ACL		103	32 (31%)	71	13 (13%)	90
	Root tear types I–III	12	9 (75%)	3	4 (33%)	8
	Root tear type IV	15	13 (87%)	2	1 (7%)	14
	No visible tear	76	10 (13%)	66	8 (11%)	68
Control		29	0	0	0	0
	No visible tear	29	0	0	0	0