Table 1.

Preoperative diagnostic, results of preoperative ultrasound and intraoperative control

No.	Gender, age (year)	Tested levels	Level of injury	Type of fracture according to Magerl	Clinical symptoms	Ultrasound SSL	ISL	Hem	Preoperative MRI estimation for PLC	Operative findings for PLC	Estimation of ultrasound
1	M, 40	L1-4	L 3	A2.3	Local pressure pain	No	No	No	Intact	Intact	Correct
2	M, 51	Th 11-L2	L 1	A2.3	Back pain	No	No	No	Intact	Intact	Correct
3	M, 16	Th 3-Th6	TH 5	B1.2	Back pain	Ruptured	Ruptured	No	Ruptured	Ruptured	Correct
4	M, 53	Th10-L1	TH 12	B1.2	Local pressure pain	Ruptured	Ruptured	No	MRI not performed	Ruptured	Correct
5	M, 21	Th12-L3	L 2	A3.1	Back pain	No	No	No	Intact	Intact	Correct
6	F, 52	Th11-L2	L 1	A3.3	Local pressure pain	No	No	No	MRI not performed	Intact	Correct
7	M, 70	Th10-L2	TH 12	A3.1	No pain	Ruptured	No	No	Intact	Intact	False positive
8	F, 50	Th11-L2	L 1	A3.3	Local pressure pain	No	No	Hem	MRI not performed	Intact	False positive
9	M, 25	Th6-Th9	TH 8	A3.3	Back pain	No	No	Hem	Intact	Intact	False positive
10	M, 54	Th11-L2	L 1	A3.2	Back pain	No	No	No	MRI not performed	Intact	Correct
11	M, 39	Th3-Th6	TH 5	B1.2	Local Pressure pain	Ruptured	Ruptured	Hem	Ruptured	Ruptured	Correct
12	M, 70	Th9-Th12	TH 11	B1.2	Gap	Ruptured	Ruptured	Hem	Ruptured	Ruptured	Correct
13	M, 19	Th11-L2	L 1	A3.3	Back pain	No	No	No	MRI not performed	Intact	Correct
14	M, 20	Th11-L2	L 1	A3.1	Local pressure pain	No	No	No	Intact	Intact	Correct
15	F, 61	Th10-L1	TH 12	A2.3	Local pressure pain	No	No	No	Intact	Intact	Correct
16	F, 61	Th12-L3	L 2	A3.1	Local pressure pain	No	No	No	Intact	Intact	Correct
17	M, 19	Th10-L1	TH 12	B1.2	Local pressure pain	Ruptured	Ruptured	No	Ruptured	Ruptured	Correct
18	M, 60	L2-L5	L 4	A2.3	Local pressure pain	No	No	No	MRI not performed	Intact	Correct

SSL supraspinous ligament, ISL interspinous ligament, Hem hematoma