Skip to main content

Table 6 Subgroup analysis of patients with CPAK phenotype changed from types 4–9 to types 1–3 with those who remained consistently in types 1–3

From: Coronal plane alignment changes do not affect outcome for total knee implant design with 3 degree varus joint line

 

Changed CPAK phenotype changed from types 4–9 to types 1–3 (n = 10)

Same CPAK in types 1–3 (n = 103)

p value (95% CI)

Mean ± SD

  KSFS 0 weeks

46.0 ± 24.1

58.5 ± 18.5

0.050 (0.02, 25.0)

  KSS 0 weeks

59.8 ± 16.3

56.0 ± 20.5

0.550 (− 16.5, 8.8)

  KSFS 6 weeks

50.5 ± 22.4

49.6 ± 26.1

0.913 (− 18.1, 16.2)

  KSS 6 weeks

86.6 ± 10.4

85.7 ± 12.1

0.816 (− 8.9, 7.0)

  KSFS 3 months

59.4 ± 15.9

63.6 ± 22.7

0.615 (− 12.3, 20.7)

  KSS 3 months

91.6 ± 9.1

88.9 ± 10.2

0.499 (− 10.7, 5.2)

  KSFS 6 months

72.7 ± 13.3

72.5 ± 18.7

0.969 (− 11.7, 11.3)

  KSS 6 months

90.2 ± 16.0

92.3 ± 8.8

0.495 (− 4.0, 8.3)

  KSFS 12 months

66.4 ± 19.1

78.9 ± 17.0

0.024 (1.7, 23.5)

  KSS 12 months

92.8 ± 9.4

93.9 ± 7.23

0.636 (− 3.6, 5.8)