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Table 1 Patients’ demographic data

From: Patient-specific instrumentation for total knee arthroplasty improves reproducibility in the planned rotational positioning of the tibial component

 

PSI group (n = 50)

Conventional group (n = 50)

p value

Gender, male/female

12/38

11/39

0.812

Mean age, years

74.7 ± 9.0

74.7 ± 8.1

0.948

Height, cm

154.8 ± 8.9

154.0 ± 8.5

0.912

Weight, kg

64.5 ± 13.3

63.4 ± 13.2

0.924

Body mass index, kg/m2

26.5 ± 4.6

26.4 ± 4.3

0.545

Preoperative hip–knee–ankle angle, °

− 10.3 ± 6.1

− 10.4 ± 7.1

0.658

  1. Values are number or mean ± standard deviation