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Table 2 Comparison of the results of both groups at final follow-up

From: Long-term outcomes of one single-design varus valgus constrained versus one single-design rotating hinge in revision knee arthroplasty after over 10-year follow-up

 

General

CCK group

RHK group

p value

ROM

94.3º ± 20.9

93.5 º ± 15

99.1º ± 25.9

p = 0.023

HKA

3.4º ± 3.1

3.6 ± 2.4

3.2 ± 3.7

p = 0.32

Surgical time (min)

106.4 ± 27.5

115 ± 33.1

96 ± 24.6

p = 0.02

KSCS

80.1 ± 10.3

78.7 ± 12.1

83.7 ± 9.8

p = 0.015

KSFS

57.4 ± 8.8

56 ± 8.9

58.7 ± 9

p = 0.043

KOOS

67.9 ± 15.7

64.1 ± 16

68.5 ± 13.2

p = 0.031

Radiolucency’s

29.9%

45.9%

12.5%

p = 0.001

New surgery (any cause)

22.2%

29.6%

11.75%

p = 0.023

Implant revision

21.1%

27.6%

9.8%

p = 0.035

  1. ROM, range of motion; HKA, hip-knee angle; KSCS, Knee society clinical score; KSFS, Knee society functional score; KOOS, Knee injury and Osteoarthritis Outcome Score