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Table 4 Comparison of radiological parameters between the cemented polyethylene (PE) and convertible metal-backed (MB) groups

From: Can convertible metal-backed glenoid components replace cemented polyethylene glenoid components in anatomical total shoulder arthroplasty?

 

Cemented PE group

Convertible MB group

p-value*

Humeral head diameter (HD), mm

   

Operation side

44.1 ± 3.4

41.5 ± 3.3

0.011*

Contralateral side

48.4 ± 3.4

48.2 ± 3.9

0.765

p-value

< 0.001*

0.002*

 

Humeral head height (HH), mm

   

Operation side

21.0 ± 2.1

19.7 ± 1.8

0.041*

Contralateral side

21.6 ± 1.7

21.7 ± 1.5

0.736

p-value

0.639

0.019*

 

AGA, °

   

Preoperative variables

28. 5 ± 10.5

28. 3 ± 8.3

0.685

Postoperative variables

44.5 ± 10.3

48.6 ± 8.9

0.149

p-value

< 0.001*

< 0.001*

 

Humeral LO, mm

   

Preoperative variables

9.7 ± 6.4

9.2 ± 6.1

0.779

Postoperative variables

17.3 ± 5.1

17.1 ± 6.1

0.982

p-value

< 0.001*

< 0.001*

 
  1. Data are presented as mean ± standard deviation
  2. * Statistically significant, ° Degrees
  3. AGA, acromion-greater tuberosity angle; LO, lateral offset
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