International Journal of Hypertension / 2013 / Article / Tab 2

Research Article

Low Diastolic Blood Pressure as a Risk for All-Cause Mortality in VA Patients

Table 2

Characteristics of patients after matching on propensity score*.

CharacteristicPatient with DBP <70
( )
Patients with DBP ≥70
( )
P value

Age (yr)68.9 ± 9.767.8 ± 9.4<0.001
Comorbidities
 Hypertension3001 (67.8)2940 (66.4)0.168
 Diabetes1403 (31.7)1314 (29.7)0.040
 Chronic kidney
 disease
321 (7.2)294 (6.6)0.259
 Cerebrovascular
 disease
425 (9.6)424 (9.6)1.000
 Coronary artery
 disease
985 (22.2)832 (18.8)<0.001
Systolic blood pressure125 ± 14127 ± 12<0.001
Diastolic blood pressure62 ± 677 ± 5<0.001
Pulse pressure62 ± 1450 ± 12<0.001
Number of antihypertensives1.1 ± 1.11.1 ± 1.10.064
Number of antihypertensives0.123
 01693 (38.2)1722 (38.9)
 11193 (26.9)1263 (28.5)
 2985 (22.2)937 (21.2)
 3433 (9.8)386 (8.7)
 4100 (2.3)107 (2.4)
 522 (0.5)11 (0.2)
 62 (0)2 (0)
Medications by class
 Beta blocker1149 (25.9)1094 (24.7)0.179
 Alpha blocker681 (15.4)643 (14.5)0.257
 ACE-I /ARB1913 (43.2)1828 (41.3)0.067
 Calcium channel
 blocker
675 (15.2)634 (14.3)0.220
 Thiazide diuretic1029 (23.2)1038 (23.4)0.821
 Loop diuretic334 (7.5)284 (6.4)0.037
All-cause mortality367 (8.3)244 (5.5)<0.0001

DBP: diastolic blood pressure; ACE-I: angiotensin converting enzyme inhibitors; ARB: angiotensin receptor blockers.
Values reported as (%) or means ± SD.

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