[Retracted] The Clinical Efficacy and Risk Factors after Revision and Reconstruction of Anterior Cruciate Ligament

Table 1

Patient baseline data.

Parameters	Included (n = 166)	Excluded (n = 169)	value
Gender, n (%)			0.278
Male	128 (77.11)	99 (58.57)
Female	38 (22.89)	41 (24.26)
Professional athletes, n (%)	15 (9.04)	19 (11.24)	0.225
Age at revision/years	28.56 ± 7.60	27.04 ± 7.55	0.789
BMI/(kg/m^2)	26.41 ± 3.73	24.31 ± 3.21	0.050
Interval between primary ACLR and revision/years, M (range)	2.78 (0.40–18.40)	3.17 (0.40–16.99)	0.841
Side, n (%)			0.897
Left knee	82 (49.40)	34 (20.11)
Right knee	84 (50.60)	35 (20.71)
Hospital of primary ACLR, n (%)			0.567
Index hospital	81 (48.80)	86 (50.88)
Other hospitals	85 (51.20)	73 (43.19)
Technique at primary ACLR, n (%)			0.184
Single bundle	70 (42.17)	85 (50.29)
Double bundle	10 (6.02)	8 (4.73)
Unknown	86 (51.81)	73 (43.19)