Variable

B

95%CI

SE B

β

R2

ΔR2

LL

UL

Step 1

0.710

0.710***

Constant

−2.065

−2.248

−1.882

0.093

PTT

0.653

0.597

0.709

0.028

0.843

Step 2

0.745

0.035***

Constant

−2.139

−2.313

−1.965

0.088

PTT

0.547

0.481

0.612

0.033

0.705

TPK

0.119

0.076

0.163

0.022

0.231

Step 3

0.764

0.020***

Constant

−2.170

−2.339

−2.002

0.085

PTT

0.339

0.223

0.455

0.059

0.437

TPK

0.098

0.055

0.142

0.022

0.190

PPB

0.257

0.136

0.377

0.061

0.326