Application of Circulating Tumor Cells and Circulating Free DNA from Peripheral Blood in the Prognosis of Advanced Gastric Cancer

Table 4

Correlation between CTC before neoadjuvant therapy (baseline) and neoadjuvant efficacy.

Spearman’s rho			PR/SD	PR/SD + PD
Total of CTC	N = 27	r	0.127	0.069
		p	0.537	0.732
Total of CTC (≤0/>0)	N = 27	r	−0.158	−0.217
		p	0.44	0.277
Total of CTC (≤7/>7)	N = 27	r	0.22	0.182
		p	0.281	0.364
Epithelial CTC	N = 27	r	0.122	0.089
		p	0.553	0.661
Mixed CTC	N = 27	r	−0.09	−0.129
		p	0.662	0.522
Interstitial CTC	N = 27	r	0.435	0.394
		p	0.026	0.042
Interstitial CTC (≤0/>0)	N = 27	r	0.378	0.335
		p	0.057	0.087
Interstitial CTC proportion	N = 27	r	0.327	0.292
		p	0.103	0.139

When (two-tailed) or (two-tailed), it indicated a significant correlation. CTC, circulating tumor cell; PR, partial response; SD, stable disease; PD, progressive disease; and N, case number.