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The correlation between expression levels of PN and EGFR (cases)
| PN expression | EGFR expression
|
r | P-value | |
|---|---|---|---|---|
| Low (n=29) | High (n=54) | |||
| Low (n=36) | 23 | 13 | 0.531 | 0.000 |
| High (n=47) | 6 | 41 | ||
Abbreviations: PN, periostin; EGFR, epidermal growth factor receptor; r, Spearman’s rank correlation coefficient.
