Table 3. Age, MVD/CD105, Karnofsky score, survival in individual CD44 groups (Kruskal-Wallis test).

	CD44 group		n	Arithmetic mean			SD		Min	Max	Percentile
											25th	Median	75th
Age	0-45		12	65.17			8.89		47.00	77.00	57.25	67.50	70.75
	46-75		24	60.50			9.51		48.00	77.00	51.75	60.00	68.75
	76-100		19	63.58			9.00		49.00	75.00	55.00	65.00	72.00
MVD/CD105	0-45		12	14.56			8.10		6.00	32.00	8.42	11.50	21.58
	46-75		24	14.19			5.96		3.67	24.67	10.00	12.50	20.08
	76-100		19	18.16			11.94		6.67	52.33	8.78	13.00	22.67
Karnofsky score	0-45		12	74.17			22.75		40.00	100.00	52.50	70.00	100.00
	46-75		24	78.75			19.85		40.00	100.00	62.50	85.00	97.50
	76-100		19	72.11			21.49		40.00	100.00	50.00	80.00	90.00
Survival (days)*	0-45		12	185.67			142.00		7.00	477.00	74.00	173.50	271.25
	46-75		24	234.42			142.93		23.00	512.00	126.00	208.50	370.50
	76-100		19	118.74			82.98		13.00	352.00	59.00	121.00	151.00
		Kruskal Wallis test			df	p
Age		2.00			2	0.367
MVD/CD105		0.89			2	0.641
Karnofsky score		1.10			2	0.577
Survival (days)		8.19			2	0.017

*Kendall’s tau_b; MVD = microvascular density; figures in bold are statistically significant