Table 1.

Prevalence of hypertension in patients with ITP compared with general population over a 10-year period

	ITP	Non-ITP	P-value	Odds Ratio (C.I)
2002	25.90%	26.53%	0.13	0.97 (0.92-1.01)
2003	27.51%	27.92%	0.35	0.98 (0.94-1.02)
2004	27.96%	28.56%	0.16	0.97 (0.93-1.01)
2005	28.49%	29.33%	0.06	0.96 (0.92-1.00)
2006	29.66%	29.92%	0.57	0.99 (0.94-1.03)
2007	30.25%	29.40%	0.06	1.04 (0.99-1.09)
2008	32.04%	30.93%	0.01	1.05 (1.01-1.10)
2009	31.63%	31.23%	0.38	1.02 (0.98-1.06)
2010	30.90%	31.49%	0.17	0.97 (0.94-1.01)
2011	31.95%	32.31%	0.40	0.98 (0.95-1.02)