MATERIALS AND METHODS: We retrospectively analysed hospital records and DXA scan measurements of 635 patients at tertiary hospital in Ajman, UAE. Patients with T2DM were compared to non-diabetic control group. Data were analysed using SPSS version 20. Student’s t test was used for continuous variables, while chi-square test for categorical variables. Relative risk (RR) and it’s 95% Confidence Interval (95%CI) were calculated for prevalence
of osteoporosis among the two group.
RESULTS: In all 141 patients in the diabetic group and 428 patients in the control group, while 66 patients were
excluded based on exclusion criteria. Prevalence of osteoporosis was significantly higher in diabetic group (RR:
1.2, 95%CI: 1.1, 1.2). BMD and T-score values were similar in diabetic and control groups. Z-score values of lumbar spine, L1 and L3 were significantly higher in diabetic group. Obese patients have significantly higher BMD than non-obese in both studied groups. Younger diabetic patient had significantly higher value of BMD, T-score and Z-score in left femur total hip.
CONCLUSION: Although BMD and T-score values were similar between the two groups, women with T2DM had significant higher prevalence of osteoporosis.
SUBJECTS/METHODS: A total of 181 Thai children (90 boys and 91 girls) aged 6 to 12 years were recruited. Bone status was measured by two different techniques in terms of the speed of sound (SOS) using QUS and bone mineral density (BMD) using DXA. Calcium intake was assessed by 24 h diet recall. Pearson's correlation, κ-statistic and Bland and Altman analysis were used to assess the agreement between the methods.
RESULTS: There was no correlation between the two different techniques. Mean difference (s.d.) of the Z-scores of BMD and SOS was -0.61 (1.27) that was different from zero (P<0.05). Tertiles of Z-scores of BMD and QUS showed low agreement (κ 0.022, P=0.677) and the limits of agreement in Bland and Altman statistics were wide.
CONCLUSIONS: Although QUS is easy and convenient to use, the SOS measurements at the radius seem not appropriate for assessing bone quality status.
INTRODUCTION AND OBJECTIVE: T-score discordance between hip and spine is a common problem in bone mineral density assessment. A difference ≥ 1 standard deviation (SD) (regardless of diagnostic class) is considered minor, and a difference more than one diagnostic class is considered major discordance. This study aimed to determine the prevalence and factors of hip and spine T-score discordance in a population aged ≥ 40 years in Klang Valley, Malaysia.
SUBJECTS AND METHODS: In this cross-sectional study, subjects answered a demographic questionnaire and underwent body composition and bone health assessment using dual-energy X-ray absorptiometry. Chi-square and binary logistic regression analysis were used to assess the prevalence of T-score discordance among the subjects.
RESULTS: A total of 786 Malaysians (382 men, 404 women) subjects were recruited. The prevalence of minor and major discordance was 30.3% and 2.3%, respectively. Overall, factors related to T-score discordance were advanced age, decreased height, and being physically active. Sub-analysis showed that decreased height and being physically active predicted T-score discordance in men, being menopausal and Indian (vs Chinese) were predictors in women.
CONCLUSIONS: T-score discordance between hip and spine is common among Malaysian middle-aged and elderly population. Diagnosis of osteopenia/osteoporosis should be based on the T-score of more than one skeletal site as per the current recommendations.