Correlation of tibial tuberosity–trochlear groove distance, anterolateral ligament injury, and the type of trochlear dysplasia with the grade of anterior cruciate ligaments tear

Egyptian Journal of Radiology and Nuclear Medicine

Table 1 Characteristics of the study sample based on age, gender, degree and location of ACL tear, TT-TG distance, TD type, and ALL injury

Characteristics	n	%	Mean:median (min–max)
Age (years)			36:31:00
Age (years)			(18–77)
Gender
Male	33	66
Female	17	34
ACL tear degree
Grade I	11	22
Grade II	22	44
Grade III	17	34
ACL injury location
Type I	2	4
Type II	13	26
Type III	20	40
Type IV	14	28
Type V	1	2
TT-TG distance (mm)			7.72: 7.36
TT-TG distance (mm)			(1.01–18.30)
Trochlear dysplasia type
Normal	39	78
Type A	10	20
Type B	1	2
Type C	0	0
Type D	0	0
ALL injury	6	12