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Table 2 Spearman correlation coefficients, P values, and false discovery rate-corrected Q values between venous hemodynamic insufficiency severity score and perfusion-weighted measures in relapsing-remitting patients

From: Hypoperfusion of brain parenchyma is associated with the severity of chronic cerebrospinal venous insufficiency in patients with multiple sclerosis: a cross-sectional preliminary report

  Mean transit time,
r, P/Q
Cerebral blood flow,
r, P/Q
Cerebral blood volume,
r, P/Q
Gray matter 0.52,a 0.039/0.100a -0.70,b 0.002/0.022b -0.58,a 0.019/0.062a
White matter 0.53,a 0.034/0.094a -0.71,b 0.002/0.022b -0.49, 0.054/0.110
Caudate 0.50,a 0.049/0.110a -0.38, 0.142/0.189 -0.30, 0.266/0.319
Putamen 0.47, 0.065/0.117 -0.72,b 0.002/0.022b -0.42, 0.107/0.161
Globus pallidus 0.44, 0.087/0.142 -0.69,b 0.003/0.022b -0.22, 0.404/0.428
Thalamus 0.46, 0.074/0.127 -0.65,b 0.007/0.042b -0.62,a 0.011/0.052a
Pulvinar thalamus 0.25, 0.342/0.385 -0.67,b 0.003/0.022b -0.50, 0.051/0.110
Hippocampus 0.34, 0.201/0.250 -0.61,a 0.012/0.052a -0.41, 0.117/0.162
Amygdala 0.14, 0.604/0.604 -0.4, 0.091/0.142 -0.47, 0.064/0.117
Nucleus accumbens 0.49, 0.055/0.110 -0.60a 0.015/0.054a -0.26, 0.336/0.384
Red nucleus 0.37, 0.163/0.210 -0.56,b 0.025/0.075b -0.41, 0.112/0.161
Substantia nigra 0.17, 0.539/0.554 -0.60,a 0.013/0.052a -0.23, 0.394/0.428
  1. aFindings significant without false discovery rate (FDR) correction; bsignificant correlations and findings surviving FDR correction.