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Table 4 Odds ratios of risk factors for medial meniscal tear a

From: The prevalence and parameters of fabella and its association with medial meniscal tear in China: a retrospective study of 1011 knees

  Coefficient Standard Error df P value Odds Ratio 95% Confidence Interval
Univariate Odds Ratio
Gender
Male vs Female 0.221 0.165 1 0.181 1.248 0.902–1.725
Side
Right vs Left -0.070 0.164 1 0.670 0.933 0.677–1.285
Fabella
Present vs Absent 1.366 0.173 1  < 0.001 3.914 2.788–5.496
Age 0.80 0.07 1  < 0.001 1.084 1.069–1.098
Age > 40       
Yes vs No 2.250 0.223 1  < 0.001 9.489 6.124–14.702
Age group
 ≤ 20    5  < 0.001   
21–30 0.623 0.794 1 0.432 1.865 0.394–8.835
31–40 0.811 0.764 1 0.289 2.250 0.503–10.062
41–50 2.098 0.740 1 0.005 8.152 1.910–34.790
51–60 2.942 0.739 1  < 0.001 18.961 4.451–80.775
 ≥ 61 3.691 0.735 1  < 0.001 40.104 9.479–169.361
Multivariate Odds Ratios
Fabellar presence
Yes vs No 0.989 0.190 1  < 0.001 2.690 1.853–3.903
Age 0.074 0.007 1  < 0.001 1.077 1.063–1.091
Intercept -5.468 0.364 1  < 0.001 0.004 n/a
  1. aFactors with an increased unvariate odds ratios of risk were included in the logistic regression model. n/a not applicable