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

From: Prospective associations between pulse pressure and cognitive performance in Chinese middle-aged and older population across a 5-year study period

  Cog2011 Cog2013 Cog2015 PP2011 PP2013 PP2015 DBP2011 DBP2013 DBP2015 SBP2011 SBP2013 SBP2015
Cog2011 1            
Cog2013 0.643a 1           
Cog2015 0.652a 0.705a 1          
PP2011 − 0.160a − 0.155a − 0.168a 1         
PP2013 − 0.136a − 0.137a − 0.166a 0.616a 1        
PP2015 − 0.137a − 0.143a − 0.160a 0.596a 0.629a 1       
DBP2011 0.036a 0.037a 0.027b 0.242a 0.133a 0.146a 1      
DBP2013 0.031a 0.030a 0.025b 0.130a 0.207a 0.128a 0.549a 1     
DBP2015 0.050a 0.052a 0.046a 0.115a 0.106a 0.206a 0.567a 0.556a 1    
SBP2011 − 0.091a − 0.087a − 0.101a 0.836a 0.504a 0.496a 0.735a 0.403a 0.403a 1   
SBP2013 − 0.080a − 0.080a − 0.104a 0.513a 0.833a 0.521a 0.406a 0.714a 0.392a 0.588a 1  
SBP2015 − 0.071a − 0.074a − 0.090a 0.494a 0.512a 0.837a 0.422a 0.405a 0.707a 0.583a 0.595a 1
  1. Abbreviations: Cog Cognition, DBP Diastolic blood pressure, PP Pulse pressure, SBP Systolic blood pressure
  2. aP < 0.01
  3. bP < 0.05