Table 3. Correlation analysis between ALDH+ cells and CD3+, CD4+ and CD8+ cells.

Antigen	Pearson linear correlation				Spearman rank correlation		Explained variability (%)
	r	95% CI	P		r	P
CD3+	0.63	0.09–0.89	0.0270		0.67	0.0204	40.1
CD4+	0.34	–0.29 to 0.76	0.2802		0.36	0.2560	11.5
CD8+	0.77	0.34–0.93	0.0036		0.72	0.0110	58.7

r, correlation coefficient; P, P value; CI, confidence interval.