Comparison of proprioception recovery following anterior cruciate ligament reconstruction using an artificial graft versus an autograft

Table 4 Knee JPS errors (°) in patients analyzed by more or less than 1 year from injury to ACLR, assessed 3 and 12 months after ACLR

Time of JPS evaluation (months)	45° flexion			75° flexion
Time of JPS evaluation (months)	3	12	Statistic	3	12	Statistic
ACLR more than 1 year after injury	3.15 ± 1.05	1.96 ± 1.13	0.001^a	2.72 ± 1.04	1.85 ± 0.02	0.013^a
ACLR less than 1 year after injury	1.76 ± 0.72	1.45 ± 0.87	0.032^a	1.80 ± 0.87	1.37 ± 0.54	0.025^a
Statistic	0.016^b	NS^b		0.029^b	NS^b

Data were expressed as mean ± SD (range) unless otherwise indicated; ACLR Anterior cruciate ligament reconstruction, JPS Joint position sense, NS Statistically non-significant
^aCalculated by Paired t-test. ^bCalculated by Unpaired t-test

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