highly significantp < 0.001
In the principal component analysis of PQS scores, the first detected component, which explained about 32% of the variance of PQS items over time, was highly significant ( p < 0.001).
In the principal component analysis of PQS scores, the first detected component, which explained about 32% of the variance of PQS items over time, was highly significant ( p < 0.001).
Further components, explaining 13% of the variance of less, failed to reach significance even at trend level.