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Table 3 The correlations of plasmatic Aβ1-42 concentrations and changes with age, BMI, ejection fraction, prothrombin time, urea and creatinine values

From: Is postoperative cognitive decline after cardiac surgery associated with plasma beta amyloid 1–42 levels?

 

Spearman's correlation Rho (P value)

Aβ1-42

before

Aβ1-42

after

Absolute difference

All the patients

   

 Age

0.038 (0.78)

0.087 (0.53)

− 0.113 (0.42)

 BMI

0.145 (0.30)

0.186 (0.18)

0.237 (0.09)

 Urea

0.135 (0.33)

0.051 (0.72)

− 0.001 (0.99)

 Creatinin

0.249 (0.07)

0.158 (0.25)

0.111 (0.42)

 Prothrombin time

0.081 (0.56)

0.008 (0.95)

0.199 (0.15)

 Ejection fraction

− 0.132 (0.34)

0.126 (0.37)

0.092 (0.51)

CABG

   

 Age

− 0.056 (0.75)

0.030 (0.87)

− 0.247 (0.16)

 BMI

− 0.043 (0.81)

0.064 (0.72)

0.075 (0.67)

 Urea

0.064 (0.72)

− 0.102 (0.57)

− 0.114 (0.52)

 Creatinin

0.086 (0.63)

− 0.017 (0.93)

− 0.097 (0.59)

 Prothrombin time

− 0.020 (0.91)

− 0.110 (0.53)

0.149 (0.40)

 Ejection fraction

− 0.166 (0.35)

0.145 (0.41)

− 0.014 (0.94)

OPCAB

   

 Age

0.249 (0.29)

0.401 (0.08)

0.270 (0.25)

 BMI

0.459 (0.04)

0.342 (0.14)

0.449 (0.04)

 Urea

0.196 (0.41)

0.254 (0.28)

0.136 (0.57)

 Creatinin

0.409 (0.07)

0.348 (0.13)

0.410 (0.07)

 Prothrombin time

0.176 (0.46)

0.116 (0.63)

0.222 (0.35)

 Ejection fraction

− 0.246 (0.30)

− 0.168 (0.48)

0.062 (0.80)

  1. Bold typing was used for statistically significant results, meaning that P* was < 0.005
  2. CABG, coronary artery bypass grafting; OPCAB, off-pump coronary artery bypass; CI, reliability spectrum
  3. *Mann Whitney U test
  4. Hodges-Lehmann