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Table 4 Association of low V LF and osteoporotic femoral neck BMD with fractures that occurred during different follow-up periods

From: Association between low-frequency ultrasound and hip fractures - comparison with DXA-based BMD

 

Fx 1997-2006

Fx 2006-2010

Fx 1997-2010

NF n = 409, Fx n = 81

NF n = 429, Fx n = 61

NF n = 334, Fx n = 121*

 

n

OR (95% CI)

p

HR (95% CI)

p

OR (95% CI)

p

VLF

Moderate or high (25-100%)

364

      

Low (0-25%)

126

1.6 (0.9 - 2.6)

0.088

0.8 (0.4 - 1.4)

0.359

1.3 (0.8 - 2.0)

0.326

Femoral neck BMD

T-score > -2.5

355

      
 

T-score ≤ -2.5

135

1.8 (1.1 - 3.0)

0.019

2.4 (1.4 - 3.9)

0.001

2.5 (1.6 - 3.9)

<0.001

  1. All regression models were adjusted by age and BMI. In Cox regression previous fracture (during 1997–2006) was also used as a covariate. NF = non-fractured group, Fx = fractured group, n = number of subjects, OR = odds ratio of logistic regression, HR = hazard ratio of Cox regression, CI = confidence interval, p = p-value of the covariate in the model. *Subjects who died during the follow-up were excluded (NF n = 26, Fx n = 9).
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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