highly significantp < 0.01
Within PPG subjects, component 2 had highly significant correlations with component 1 (0.296, p < 0.01) and component 3 (−0.516, p < 0.01).
Within PPG subjects, component 2 had highly significant correlations with component 1 (0.296, p < 0.01) and component 3 (−0.516, p < 0.01).