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Table 1 Differences in each parameter between men and women

From: Contribution of sex and body constitution to three-dimensional lower extremity alignment for healthy, elderly, non-obese humans in a Japanese population

Variable Men Women  
mean 95%CI mean 95%CI p value
Age (years) 71 69–73 68 66–70 0.03*
Body weight (kg) 63.7 61.0–66.5 48.3 46.3–50.3 <  0.01*
Body height (cm) 166.3 164.6–168.0 155.4 153.3–157.5 <  0.01*
Body mass index (BMI) (kg/m2) 23.0 22.2–23.8 20.0 19.3–20.6 <  0.01*
HKA in coronal plane (°) 182.7 181.9–183.6 180.6 179.7–181.5 <  0.01*
HKA in sagittal plane (°) 0.4 −2.6 – 3.1 −4.4 −6.0 – − 2.7 <  0.01*
Rotational alignment (°) 90.0 87.2–92.7 84.7 82.0–87.3 <  0.01*
  1. 95%CI 95% confidence interval, HKA hip-knee-ankle angle; HKA in sagittal plane: the minus values mean extension angle; Rotational alignment: the larger values mean internal rotation of the tibia relative to the femur; *Significant difference = p <  0.05