Extreme Elevations in Blood Pressure and All-Cause Mortality in a Referred CKD Population: Results from the CRISIS Study

Table 4

Antihypertensive medications at baseline and one year.

	Baseline				1 year
	Persistent extreme hypertension (𝑛=9)	Extreme hypertension at baseline, recovered by 1-year; (𝑛=55)	Remainder of population (𝑛=1332)	𝑃	Persistent extreme hypertension (𝑛=9)	Extreme hypertension at baseline, recovered by 1 year; (𝑛=55)	Remainder of population (𝑛=1332)	𝑃
Number of different antihypertensive medications	3.2 ± 1.5	2.4 ± 1.4	2.6 ± 1.3	0.19	3.4 ± 1.6	2.6 ± 1.3	2.7 ± 1.3	0.14
Angiotensin blockade	66%	58%	63%	0.73	78%	66%	65%	0.74
Diuretic	44%	26%	26%	0.45	55%	24%	24%	0.10
Calcium channel blocker	11%	14%	18%	0.68	11%	26%	18%	0.58
Beta blocker	22%	10%	10%	0.51	11%	12%	10%	0.94
Alpha blocker	0%	0%	6%	0.64	0%	0%	6%	0.64
Vasodilator	0%	0%	0.23%	0.93	0%	0%	0.23%	0.93
Centrally acting agent	10%	0%	0.4%	0.001	10%	0%	0.7%	0.001

Data are for patients with complete baseline and 1-year medication records.