| PR | RBCC | PNET | PMLV | PM |
PR | - | 0.138* | 0.258* | 0.255* | 0233* |
RBCC | 0.092* | - | 0.209* | 0.208* | 0.188* |
PNET | 0.124* | 0.125* | - | 0.244* | 0.223* |
PMLV | 0.090* | 0.086* | 0.100* | - | 0.218* |
PM | 0.083 | 0.079* | 0.091* | 0.061* | - |