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Table 1 Comparison of pre-operative patient demographics between posterior-stabilised and condylar-stabilised groups

From: Similar outcomes including maximum knee flexion between mobile bearing condylar-stabilised and fixed bearing posterior-stabilised prosthesis: a case control study

 

Posterior-stabilised (n = 316)

Condylar-stabilised (n = 160)

P

Age

71 ± 8.7

72 ± 8.4

0.08

BMI

30.6 ± 6.9

32 ± 22.6

0.09

IKS knee

61.9 ± 14.7

59.5 ± 12.7

0.08

IKS function

56.6 ± 13.0

59.2 ± 13.0

0.06

Total IKS

119.1 ± 22.1

118.7 ± 18.5

0.87

Flexion pre op

116 ± 5

116 ± 5

0.77

mFTA°

175.1 ± 6.3

174.7 ± 6.6

0.06

Tibial slope°

7.9 ± 4.2

7.3 ± 3.7

0.15

BPI

0.7 ± 0.2

0.7 ± 0.2

0.92

PCOR Pre op

0.6 ± 0.2

0.5 ± 0.01

0.001

Gender

 Male

89 (28.2%)

53 (33.1%)

 

 Female

227 (71.8%)

107 (66.9%)

0.25

Ahlbäck grade

 2

74 (23.4%)

35 (21.9%)

 

 3

99 (31.3%)

60 (37.5%)

 

 4

143 (45.3%)

65 (40.6%)

0.14

ASA

 1

38 (10.7%)

14 (8.3%)

 

 2

186 (60.4%)

98 (61.8%)

 

 3

92 (28.9%)

48 (29.9%)

0.7

  1. PCO Posterior condylar offset, BPI Blackburne-Peel index, mFTA Mechanical femorotibial angle, IKS International knee society score, BMI Body mass index