Skip to main content

Table 4 Logistic regression analysis to determine the association between single-leg hop performance and return-to-sports status

From: Single-leg hop distance normalized to body height is associated with the return to sports after anterior cruciate ligament reconstruction

Logistic regression analysis P-value Odds ratio 95% Confidence interval
Independent Variable Lower Upper
Model 1
 The LSI of the SLHD 0.556 0.975 0.896 1.061
 SLHD on the operated side (%body height) cut-off 70% 0.013 3.980 1.338 11.840
Model χ2 test, P = 0.015; Hosmer‒Lemeshow test, P = 0.248.
Percentage of correct classification, 68.5%
Model 2
 Age 0.390 1.054 0.935 1.188
 Sex 0.300 3.022 0.374 24.420
 Body weight 0.725 1.011 0.950 1.077
 Postoperative months 0.557 0.990 0.957 1.024
 TSK 0.014 1.173 1.033 1.331
 SLHD on the operated side (%body height) cut-off 70% 0.013 9.602 1.598 57.689
 Ext 180 LSI 0.244 0.958 0.890 1.030
Model χ2 test, P < 0.001; Hosmer‒Lemeshow test, P = 0.390.
Percentage of correct classification, 78.1%
  1. LSI limb symmetry index, SLHD single-leg hop distance, TSK Tampa scale for kinesiophobia
  2. Ext 180 represents the isokinetic knee extension torque at 180°/s