Table 3 Multiple regression analysis of BMD predictors in patients with type 1 and type 2 diabetes mellitus and controls, respectively
From: Bone mineral density predictors in long-standing type 1 and type 2 diabetes mellitus
Model | Dependent variable | T1D model | T2 model | Predictor | T1D | T2D | ||
|---|---|---|---|---|---|---|---|---|
Beta | p-value | Beta | p-value | |||||
1 | Lumbar BMD | R2 = 0.43 P = 0.038 | R2 = 0.37 P = 0.014 | Age Gender Diabetes duration HbA1c BMI PTH | 0.15 -0.66 -0.36 0.07 -0.3 0.27 | 0.5 0.002 0.075 0.7 0.16 0.21 | -0.03 -0.52 0.16 0.02 0.46 -0.1 | 0.87 0.002 0.33 0.89 0.006 0.51 |
2 | Femoral Neck BMD | R2 = 0.68 P < 0.001 | R2 = 0.42 P = 0.006 | Age Gender Diabetes duration HbA1c BMI PTH | -0.08 -0.66 -0.39 0.13 0.12 0.08 | 0.64 < 0.001 0.014 0.33 0.45 0.63 | -0.26 -0.55 0.27 -0.11 0.44 0.09 | 0.11 0.001 0.09 0.46 0.007 0.55 |
Model | Dependent variable | Control T1D model | Control T2 model | Predictor | Control T1D | Control T2D | ||
Beta | p-value | Beta | p-value | |||||
1 | Lumbar BMD | R2 = 0.27 P = 0.036 | R2 = 0.32 P = 0.01 | Age Gender BMI PTH | -0.45 -0.31 0.04 0.05 | 0.011 0.05 0.81 0.75 | -0.41 -0.45 0.17 -0.17 | 0.013 0.005 0.36 0.33 |
2 | Femoral Neck BMD | R2 = 0.35 P = 0.006 | R2 = 0.51 P < 0.001 | Age Gender BMI PTH | -0.31 -0.5 0.04 -0.06 | 0.05 0.002 0.81 0.69 | -0.39 -0.67 0.15 -0.23 | 0.006 < 0.001 0.35 0.12 |