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Table 6 Risk factors for falls and for fractures after falls in patients over 65 years old.

From: World Health Organization fracture risk assessment tool in the assessment of fractures after falls in hospital

A

      

Datasets

Items

Estimated coefficient (β)

Standard error for β

Sig.

OR

95% CI for OR

Development dataset

History of falls

0.971

0.199

<0.001

2.640

1.788 - 3.898

 

Gait instability

0.527

0.182

0.004

1.694

1.185 - 2.422

 

Agitated confusion

0.731

0.212

0.001

2.078

1.373 - 3.145

 

Lower limb weakness

0.397

0.171

0.020

1.487

1.063 - 2.079

 

STRATIFY score

0.275

0.086

0.001

1.316

1.112 - 1.558

 

Constant

-4.205

0.140

<0.001

0.015

 

Test dataset

History of falls

0.727

0.183

<0.001

2.069

1.447 - 2.959

 

Gait instability

0.574

0.172

0.001

1.775

1.268 - 2.484

 

Lower limb weakness

0.346

0.160

0.031

1.413

1.033 - 1.933

 

STRATIFY score

0.459

0.069

<0.001

1.583

1.382 - 1.814

 

Constant

-4.142

0.132

<0.001

0.016

 

B

      

Datasets

Items

Estimated coefficient (β)

Standard error for β

Sig.

HR

95% CI for HR

Development dataset

History of falls

0.977

0.188

<0.001

2.655

1.838 - 3.836

 

Gait instability

0.576

0.163

<0.001

1.780

1.292 - 2.451

 

Agitated confusion

0.534

0.198

0.007

1.705

1.156 - 2.514

 

STRATIFY score

0.239

0.080

0.003

1.270

1.085 - 1.486

Test dataset

History of falls

0.594

0.172

0.001

1.812

1.294 - 2.536

 

Gait instability

0.649

0.151

<0.001

1.913

1.424 - 2.571

 

STRATIFY score

0.403

0.062

<0.001

1.497

1.325 - 1.690

C

      

Datasets

Items

Estimated coefficient (β)

Standard error for β

Sig.

OR

95% CI for OR

Development dataset

Lower limb weakness

1.728

0.867

0.046

5.631

1.030 - 30.780

 

Constant

-7.496

0.707

<0.001

0.001

 

Test dataset

FRAX score

0.069

0.028

0.012

1.072

1.015 - 1.131

 

Constant

-7.528

0.665

<0.001

0.001

 

D

      

Datasets

Items

Estimated coefficient (β)

Standard error for β

Sig.

HR

95% CI for HR

Development dataset

FRAX score

0.060

0.031

0.050

1.062

1.000 - 1.128

Test dataset

FRAX score

0.061

0.027

0.023

1.063

1.008 - 1.120

  1. Various risk factors for falls, STRATIFY score and FRAX™ score were evaluated in development and test datasets to determine whether they are associated with falls (A, B) or fractures after falls (C, D) by using multiple logistic regression analysis (A, C) and multivariate Cox's regression analysis (B, D). Significant factors were selected by using the stepwise selection method. CI, confidence interval; LOS, length of hospital stay; OR, odds ratio; HR, hazards ratio.
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BMC Health Services Research

ISSN: 1472-6963

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