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. 2016 Mar 17;594(10):2681–2689. doi: 10.1113/JP271056

Table 2.

Pearson regression results between CVR, CBF and age for data prior to and after the break point

Grey matter White matter
r 2 P r 2 P
Correlation before break point
CVR vs. age 0.502 0.0046 0.364 0.0379
CBF vs. age 0.306 0.0012 0.246 0.0045
CVR vs. CBF 0.0039 0.8347 0.0334 0.5694
Correlation after break point
CVR vs. age 0.220 0.0369 0.196 0.0390
CBF vs. age n/a*
CVR vs. CBF 0.150 0.1249 0.046 0.3763

*CBF did not exhibit any break point. CBF, cerebral blood flow; CVR, cerebrovascular reactivity.