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. 2017 Apr 4;16:74. doi: 10.1186/s12943-017-0637-4

Table 4.

Correlation between expression of PinX1 and BMP5 in NSCLC patients

	Learning cohort				Validation cohort
	Cases	BMP-5 Low expression (%)	BMP-5 High expression (%)	P-value*	Cases	BMP-5 Low expression (%)	BMP-5 High expression (%)	P-value*
PinX1 Negative expression	56	31(33.3%)	25(26.9%)	P = 0.015 (r = 0.252)	27	17(33.3%)	10(19.6%)	P = 0.006 (r = 0.381)
PinX1 Positive expression	37	10(10.8%)	27(29%)	P = 0.015 (r = 0.252)	24	6(11.8%)	18(35.3%)	P = 0.006 (r = 0.381)

*Spearman correlation analysis indicated that PinX1 and BMP5 expression levels were consistently correlation (Fisher’s exact test)