Table 2. Multivariate linear regression for predictors of prostate volume.
Variables | Controls | Cases | All subjects | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
β | t | p | R2 | β | t | p | R2 | β | t | p | R2 | |
Model 1 | ||||||||||||
Age* | 0.094 | 0.293 | 0.771 | 0.454 | 0.814 | 1.097 | 0.279 | 0.444 | 2.182 | 4.190 | <0.001 | 0.499 |
BMI | 0.001 | 0.391 | 0.698 | 0.006 | 0.656 | 0.516 | 0.004 | 0.604 | 0.547 | |||
TC | -0.041 | -2.8887 | 0.006 | -0.043 | -1.232 | 0.225 | -0.006 | -0.240 | 0.811 | |||
Triglycerides* | 0.130 | 2.356 | 0.023 | 0.347 | 2.480 | 0.018 | 0.116 | 1.115 | 0.268 | |||
LDL | 0.002 | 0.116 | 0.908 | -0.008 | -0.201 | 0.842 | 0.001 | 0.041 | 0.968 | |||
HDL* | -0.192 | -1.802 | 0.079 | 0.298 | 1.352 | 0.184 | 0.135 | 0.811 | 0.420 | |||
CRP | -0.002 | -0.573 | 0.570 | 0.011 | 0.823 | 0.416 | 0.006 | 0.649 | 0.518 | |||
Adiponectin* | -0.077 | -2.028 | 0.049 | -0.276 | -3.299 | 0.002 | -0.367 | -5.941 | <0.001 | |||
Model 2 (stepwise method) | ||||||||||||
Age* | 0.249 | 0.331 | 2.167 | 4.388 | <0.001 | 0.486 | ||||||
Adiponectin* | -0.115 | -3.992 | <0.001 | -0.326 | -4.772 | <0.001 | -0.395 | -8.414 | <0.001 |
* Variables were log-transformed in the analysis.
β, regression coefficient; t, t-test for β; p, p values for t-test; R2, coefficient of determination.
BMI, body mass index; LDL, low-density lipoprotein; HDL, high-density lipoprotein; CRP, C-reactive protein; TC, Total cholesterol.