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Table 1 Correlation between ventricular volume, Aβ42, tau and p-tau

From: Ventricular volume in relation to lumbar CSF levels of amyloid-β 1–42, tau and phosphorylated tau in iNPH, is there a dilution effect?

  Ventricular Volume Aβ42
Full sample (n = 136)
 Aβ42 − 0.17* (− 0.33, 0.0028, p = 0.042)  
 Tau 0.006 (− 0.16, 0.18, p = 0.94) 0.10 (− 0.073, 0.28, p = 0.22)
 p-Tau − 0.014 (− 0.18, 0.16, p = 0.86) 0.14 (− 0.032, 0.31, p = 0.11)
Males (n = 89)
 Aβ42 − 0.22* (− 0.40, − 0.022, p = 0.038)  
 Tau − 0.042 (− 0.24, 0.19, p = 0.70) 0.30* (0.088, 0.50, p = 0.004)
 p-Tau  < 0.001 (− 0.24, 0.23, p = 0.99) 0.26* (0.051, 0.45, p = 0.012)
Females (n = 47)
 Aβ42 − 0.12 (− 0.43, 0.18, p = 0.40)  
 Tau 0.15 (− 0.15, 0.41, p = 0.31) − 0.19 (− 0.44, 0.14, p = 0.21)
 p-Tau 0.038 (− 0.25, 0.31, p = 0.80) − 0.054 (− 0.31, 0.26, p = 0.71)
  1. Rho values for Spearman’s ranked order correlation. Within parenthesis 95% confidence intervals for Spearman’s rho and p-value. *Significant results