Table 3.

Pulse pressure by quartiles

				Mortality rate
Quartile	PP	N	Average PP	N	%	p a
1	12–47	1,275	38.6	230	18.04	<0.0001
2	48–58	1,286	53.0	197	15.32	0.0202
3	59–70	1,198	64.3	190	15.86	0.0080
4	>70	1,244	84.3	151	12.14

PP: pulse pressure (mmHg); N: number of patients. There is no statistical significant difference among Quartile 1, 2 and 3.

^a p-value compared to Quartile 4.