Table 2.

Progression-Free Survival According to Cancer Stem Cell Marker Expression

CSC marker		Progression-free survival (mo)	HR	95% CI	p-value
EpCAM	Low	4.2 (1.3–7.2)	1
	High	4.7 (3.6–5.7)	1.10	0.58–2.10	0.77
CD13	Low	4.2 (2.5–6.0)	1
	High	4.9 (4.1–5.8)	1.09	0.60–1.98	0.77
CD24	Low	4.2 (3.1–5.3)	1
	High	4.5 (1.1–7.9)	0.96	0.45–2.05	0.91
CD44	Low	4.0 (2.6–5.4)	1
	High	4.7 (2.9–6.4)	1.15	0.57–2.34	0.69
CD90	Low	5.4 (3.4–7.4)	1
	High	4.5 (2.4–6.5)	1.07	0.59–1.94	0.82
CD133	Low	5.5 (3.9–7.0)	1
	High	4.0 (1.7–6.3)	1.97	0.91–4.30	0.09
CK8	Low	2.6 (0.5–4.7)	1
	High	4.5 (2.4–6.5)	0.70	0.24–2.08	0.52
SALL4	Low	3.9 (1.0–6.9)	1
	High	5.4 (3.4–7.4)	0.73	0.38–1.41	0.35
ALDH1A1	Low	4.9 (3.5–6.4)	1
	High	4.7 (3.2–6.1)	0.96	0.53–1.74	0.89
Albumin	Low	5.4 (3.2–7.6)	1
	High	4.7 (3.4–5.9)	1.15	0.62–2.11	0.66
AFP	Low	4.9 (3.0–7.3)	1
	High	4.1 (3.0–5.2)	1.32	0.69–2.54	0.41

Data are presented as the median (95% CI).

CSC, cancer stem cell; HR, hazard ratio; CI, confidence interval; AFP, alpha-fetoprotein.