Table 3:
Correlogram between different perfusion parameters using the Spearman rank correlation coefficienta
↵a Color coding is red for a very strong correlation (rs >0.8); orange for a strong correlation (0.6 ≤ rs ≤ 0.79), yellow for a moderate correlation (0.4 ≤ rs ≤ 0.59), and green for a weak correlation (rs <0.4).