Table 2.

Comparisons between DVT and non-DVT groups.

Variables, mean (SD)	Doppler ultrasound		p-value
	DVT (N = 5)	Non-DVT (N = 414)
Age (years)	9.80 (4.83)	10.17 (5.59)	0.865
D-dimer (ng/mL)	2,155.20 (1,113.46)	3,739.65 (15,313.72)	0.817
Wells score	0.40 (0.89)	0.07 (0.35)	0.043*
Caprini score	2.20 (1.67)	1.07 (1.66)	0.135

DVT, deep vein thrombosis; SD, standard deviation.

^*Significant p-value <0.05.