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Association of systolic blood pressure with several factors by multiple linear regression analysis
| βest (95% confidence interval) | r | P | |
| Age | 0.36 (0.15 to 0.58) | 0.42 | 0.002 |
| IL-15 | -0.29 (-0.49 to -0.10) | -0.37 | 0.006 |
| Blood pressure treatment | 2.86 (-4.79 to 10.51) | 0.10 | 0.467 |
| Smoking | 5.50 (-2.35 to 13.35) | 0.19 | 0.176 |
| Body mass index | 0.36 (0.14 to 0.57) | 0.41 | 0.002 |
Coefficient of determination = 48%.
