Group

Pair

Spearman’s Correlation

p value

1

PPD vs PI

−0.440

0.101

PPD vs GI

−0.159

0.571

PPD vs mSBI

−0.215

0.441

2

PPD vs PI

0.263

0.343

PPD vs GI

0.377

0.166

PPD vs mSBI

0.339

0.216

Inference

PPD is negatively correlated with PI, GI and mSBI in Group 1

PPD is positively correlated with PI, GI and mSBI in Group 2