Table 2.

Angiopoietin-2 and ICAM-1 concentrations in corticosteroid resistant ITP patients stratified by platelet count at enrollment.

Platelet count (109/L)	<10 (n = 44)	10–29 (n = 26)	30–100 (n = 18)	Normal (n = 30)	P-value
ICAM-1 (ng/ml),median (IQR)	85 (63–103)† ‡	73 (55–107)†	84 (64–92)†	35 (24–48)	<0.05
Angiopoietin-2 (pg/ml), median (IQR)	1,346 (1,053–1,970)†	1,809 (1,200–2,755)†	1,501 (1,019–2,183)	606 (463–872)	<0.0001

^†Significant vs. Normal (n = 20) using a Dunn’s test of multiple comparisons using rank sums.

^‡Significant vs. Platelet count 30–100 (n = 10) using a Dunn’s test of multiple comparisons using rank sums.

IQR, interquartile range.