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Table 4 Auto- and cross-correlation matrix

From: Time trajectories and within-subject correlations of matrix metalloproteinases 3, 8, 9, 10, 12, and 13 serum levels and their ability to predict mortality in polytraumatized patients: a pilot study

  1. Autocorrelations are presented in the primary diagonal (gray cells). The autocorrelation represents the correlation of each variable on days 1–5 with later measurements of the same variable (days 3–7). Off-diagonal entries represent the average within-subject correlation between two variables measured on the same day