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| N = 52 | CPI | mCPI | CPI – mCPI | test | p-value |
| Mean | 7.069 | 2.180 | 4.889 | t = 17.417 | 4.082×10–23 |
| Median | 6.720 | 2.024 | 4.696 | W = 1378 | 3.497×10–10 |
| r = 0.5188 | |||||
| r2 = 0.2692 |
Significance tests were done for means (Student t) and medians (Wilcoxon signed rank W). Correlation coefficients (r) and coefficient of determinations (r2) are shown. CPI was significantly more informative than mCPI.
