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Table 1 Demographics of all subjects and baseline data for measurement parameters, before and after total knee arthroplasty

From: A new method for evaluation of patellar height and the position of the joint line before and after total knee arthroplasty

 

Frequency-n (%)

Mean ± standard deviation

P value

Pre-operation

Post-operation

Patients number

167

   

Males

34 (20.4)

   

Females

133 (79.6)

   

Knees number

175

   

Left

95 (54.3)

   

Right

80 (45.7)

   

Age at surgery

 

64.22 ± 6.52 (years)

 

IS

 

0.99 ± 0.15

0.99 ± 0.16

0.638

mIS

 

1.53 ± 0.17

1.52 ± 0.17

0.636

CD

 

0.86 ± 0.12

0.74 ± 0.13

0.000

BP

 

0.79 ± 0.13

0.72 ± 0.13

0.000

AP

 

1.34 ± 0.17

1.35 ± 0.16

0.214

jAP

 

0.99 ± 0.14

0.93 ± 0.14

0.000

JLH

 

10.89 ± 3.12

14.06 ± 3.07

0.000

PTS

 

9.09 ± 3.53

8.97 ± 2.43

0.684

JLH (post-pre)

 

3.17 ± 3.06 (mm)

 
  1. IS Insall-Salvati, mIS Modified Insall-Salvati, CD Caton-Deschamps, BP Blackburne-Peel, AP Axis-patella, jAP Joint axis-patella, JLH Height of the joint line, PTS Posterior tibial slope, JLH (post-pre) difference of JLH between post-operation and pre-operation
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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