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Table 1 Demographic data of the sample by the time of entry in the study

From: Surgically modifiable factors measured by computer-navigation together with patient-specific factors predict knee society score after total knee arthroplasty

Variables

All

Female

Male

Mean Diff. (p-value) [95 % CI]

Number of Patients

n = 100

n = 73

n = 27

 

Age (years)

69.1 ± 7.8

69.3 ± 7.9

68.7 ± 7.4

0.5 (p = 0.7) [-4.0 to 2.9]

Body Weight (Kg)

82.6 ± 15.7

80.5 ± 15.5

88.2 ± 14.8

7.7 (p = 0.02) [0.8 to 14.6] (*)

Body Height (cm)

167.1 ± 8.4

163.8 ± 6.4

176.0 ± 6.4

12.1 (p < 0.001) [9.2 to 15.0] (*)

BMI (Kg/m2)

29.5 ± 5.5

29.9 ± 5.7

28.5 ± 5.0

1.3 (p = 0.2) [-3.8 to 1.1]

  1. Values are mean ± SD; (*) = Significant difference