Skip to main content

Table 3 Risk analysis between failure rates with T-score, body mass index, or combined.

From: Risk factor analysis for early femoral failure in metal-on-metal hip resurfacing arthroplasty: the effect of bone density and body mass index

Variable

Threshold

Failure Rate

Percentage

P-Value

T-score

T ≥ 0

0/172

0%

0.003

 

0 > T > -1.5

2/161

1.2%

 
 

T ≤ -1.5

3/40

8%

 

Body mass index

(kg/m2)

< 29

1/234

0.4%

0.05

 

≥ 29

4/139

2.9%

 

Combined

T < -1.5 & BMI ≥ 29

3/12

25%

< 0.001

 

Others

2/361

0.6%