Egyptian Rheumatology and Rehabilitation

Table 2 Spearman’s correlation of BMD of the femoral head and lumbar spin with other variables in the RA group

From: Evaluation of fracture risk in Egyptian rheumatoid arthritis patients by the Fracture Risk Assessment Tool

	BMD
	r	P value
Femoral neck
Age	− 0.426	< 0.0001
BMI	0.601	< 0.0001
Menopause years	− 0.735	< 0.0001
Serum calcium	0.071	0.624
Serum phosphorous	0.185	0.199
HAQ-DI	− 0.442	0.001
Cumulative steroid dose	− 0.548	< 0.0001
Disease duration	− 0.445	0.001
DAS28-ESR	− 0.301	0.049
DAS28-CRP	− 0.327	0.043
FRAX of major fractures	− 0.741	< 0.0001
FRAX of hip fractures	− 0.914	< 0.0001
Spine
Age	− 0.561	< 0.0001
BMI	0.652	< 0.0001
Menopausal years	− 0.534	< 0.0001
Serum calcium	0.05	0.729
Serum phosphorous	0.071	0.622
HAQ-DI	− 0.376	0.01
Cumulative steroid dose	− 0.485	< 0.0001
Disease duration	− 0.481	< 0.0001
DAS28-ESR	− 0.171	0.122
DAS28-CRP	− 0.066	0.235
FRAX of major fractures	− 0.439	< 0.0001
FRAX of hip fractures	− 0.612	< 0.0001

Statistically significant at P ≤0.05; BMD bone mineral density, BMI body mass index, HAQ-DI Health Assessment Questionnaire Disability Index, ESR erythrocyte sedimentation rate, CRP C-reactive protein, DAS28-ESR 28 joints disease activity score calculated with ESR, DAS28-CRP 28 joints disease activity score calculated with ESR, FRAX fracture risk assessment for 10 years fracture probability

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