Table 2 Multivariate linear regression: significant factors of PP amplification in the different men groups of the study

Overall study population

≤55 years

R² model = 0.26

Term

Partial r²

Coefficient (CI)

P value

HbA1c

0.08

0.04 [0.005; 0.08]

0.03

CV events (no)

−0.03 [−0.13; 0.06]

0.48

cGFR( < 60)

−0.12 [−0.01; 0.25]

0.08

>55 years

R² model = 0.34

Term

Partial r²

Coefficient (CI)

P value

HbA1c

0.08

0.02 [0.007; 0.04]

0.01

Mean BP

0.04

−0.004 [−0.006; -0.001]

0.0001

cGFR ( < 60)

−0.02 [−0.05; 0.003]

0.07

CV events (no)

−0.01 [−0.06; 0.007]

0.11

Dyslipidemia (no)

−0.02 [−0.05; 0.01]

0.22

Hypertensive diabetic patients

≤55 years

R² model = 0.43

Term

Partial r²

Coefficient (CI)

P value

HbA1c

0.10

0.07 [0.06; 0.08]

0.03

cGFR ( < 60)

0.18

−0.14 [−0.23; −0.04]

0.03

BMI

0.006 [−0.03; 0.01]

0.62

>55 years

R² model = 0.42

Term

Partial r²

Coefficient (CI)

P value

HbA1c

0.15

0.03 [0.02; 0.04]

0.04

cGFR ( < 60)

0.08

−0.04 [−0.07; −0.02]

0.04

Height

0.0004 [−0.005; 0.001]

0.80

Waist circumference

0.002 [−0.001; 0.008]

0.11

Mean BP

−0.007 [−0.002; 0.001]

0.12

Atherosclerosis (no)

0.05 [−0.01; 0.08]

0.24

Hypertensive nondiabetic patients

≤ 55 years

R² model = 0.30

Term

Partial r²

Coefficient (CI)

P value

Mean BP

0.13

−0.009 [−0.015; −0.001]

0.002

MI (no)

−0.04 [−0.08; 0.01]

0.62

CAD (no)

−0.007 [−0.01; 0.002]

0.92

>55 years

R² model = 0.69

Term

Partial r²

Coefficient (CI)

P value

Mean BP

0.10

−0.004 [−0.009; −0.001]

0.04

Atherosclerosis (no)

−0.02 [−0.06; 0.02]

0.71