Research Article

Database Analysis of Eplerenone Use in Japanese Hypertensive Patients in Clinical Practice

Table 1

Characteristics of the study participants: patients on eplerenone, spironolactone, or other antihypertensive drugs during the last claim month of stable treatment (≥ six months of treatment with the same drugs, N = 160,992).

CharacteristicPatients on eplerenonePatients on spironolactonePatients on other antihypertensive drugs
(N = 1,204)(N = 2,074)(N = 157,718)

Age (years), Mean (SD)57.3 (10.7)59.8 (10.9)59.8 (9.7)
Female, N (%)331 (27.5)876 (42.2)59,952 (38.0)
Comorbidities, N (%)
 Cardiovascular disease578 (48.0)1,239 (59.7)51,046 (32.4)
 Diabetes556 (46.2)1,111 (53.6)54,553 (34.6)
 Heart failure336 (27.9)997 (48.1)12,256 (7.8)
 Renal disease135 (11.2)247 (11.9)11,295 (7.2)
Concomitant antihypertensive drugs, N (%)
 Beta blocker375 (31.1)828 (39.9)21,884 (13.9)
 Diuretics317 (26.3)896 (43.2)18,352 (11.6)
 Eplerenone1,204 (100.0)4 (0.2)0(0)
 Spironolactone4 (0.3)2,074 (100.0)0(0)
 ACE inhibitor103 (8.6)358 (17.3)10,596 (6.7)
 Alpha blocker81 (6.7)86 (4.1)5,568 (3.5)
 CCB816 (67.8)854 (41.2)107,496 (68.2)
 ARB770 (64.0)947 (45.7)99,840 (63.3)
 Others25 (2.1)13 (0.6)976 (0.6)

ACE inhibitor: angiotensin-converting-enzyme inhibitor, CCB: calcium channel blocker, and ARB: angiotensin II receptor blocker. Note: four patients were prescribed both eplerenone and spironolactone.
SD: standard deviation.