Can magnetic resonance imaging findings predict the degree of knee joint laxity in patients undergoing anterior cruciate ligament reconstruction?

Table 1 Comparison of the demographic characteristics between the early and late MRI groups

Parameter	Early MRI group (n = 89)	Late MRI group (n = 65)	P-value
Number of male patients*	73 (82)	61 (94)	0.031
Age (years)^†	31.4 ± 9.8	33.8 ± 9.1	0.124
Time from MRI to physical examination (days)^†	34.2 ± 21.8	35.3 ± 24.0	0.939
Time from injury to MRI (days)	18 (5–37)	733 (201–1915)	NA

Data of age and the time from MRI to physical examination are presented as means ± standard deviations. Number of male patients is presented as n (%). Time from injury to MRI is presented as the median with interquartile range in parentheses. *Statistical analyses were performed using the chi-squares test. ^†Statistical analyses were performed using Student’s t test. Abbreviations: MRI magnetic resonance imaging, NA not applicable.

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