Table 2 Correlations of cognitive performance with pulse pressure in Chinese elderly persons at each time point during 2011–2016

Cog2011

1

Cog2013

0.643^a

1

Cog2015

0.652^a

0.705^a

1

PP2011

− 0.160^a

− 0.155^a

− 0.168^a

1

PP2013

− 0.136^a

− 0.137^a

− 0.166^a

0.616^a

1

PP2015

− 0.137^a

− 0.143^a

− 0.160^a

0.596^a

0.629^a

1

DBP2011

0.036^a

0.037^a

0.027^b

0.242^a

0.133^a

0.146^a

1

DBP2013

0.031^a

0.030^a

0.025^b

0.130^a

0.207^a

0.128^a

0.549^a

1

DBP2015

0.050^a

0.052^a

0.046^a

0.115^a

0.106^a

0.206^a

0.567^a

0.556^a

1

SBP2011

− 0.091^a

− 0.087^a

− 0.101^a

0.836^a

0.504^a

0.496^a

0.735^a

0.403^a

0.403^a

1

SBP2013

− 0.080^a

− 0.080^a

− 0.104^a

0.513^a

0.833^a

0.521^a

0.406^a

0.714^a

0.392^a

0.588^a

1

SBP2015

− 0.071^a

− 0.074^a

− 0.090^a

0.494^a

0.512^a

0.837^a

0.422^a

0.405^a

0.707^a

0.583^a

0.595^a

1