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Table 3 Results of radiographic changes before and after matching

From: Comparison of radiographic changes in rectangular curved short stem with thin versus thick porous coating for cementless total hip arthroplasty: a retrospective study with a propensity score matching

 

Before matching

After matching

Thicker group

(n = 39)

Thinner group

(n = 66)

p value

Thicker group

(n = 25)

Thinner group

(n = 25)

p value

Stress shielding

  

0.015

  

0.26

 Nothing

4

10

 

2

2

 

 1st degree

16

40

 

8

14

 

 2nd degree

11

14

 

9

7

 

 3rd degree

8

2

 

6

2

 

Radiolucent line

  

< 0.0001

  

0.0044

 Nothing

10

19

 

8

6

 

 Proximal only

11

3

 

3

2

 

 Distal only

4

39

 

4

15

 

 Proximal and distal

14

5

 

10

2

 

Cortical hypertrophy

  

0.013

  

0.024

 Nothing

29

62

 

20

25

 

 1 zone

5

3

 

1

0

 

 ≥ 2 zones

5

1

 

4

0

 

Stem subsidence

  

0.29

  

1

 Nothing or < 2 mm

37

65

 

24

24

 

 ≥ 3 mm

2

1

 

1

1

 
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X