Table 1 Characteristics of study participants (N = 117)

Age, years, mean (SD)

67.4 (10.5)

Female sex, n (%)

48 (41)

Systolic BP, mmHg, mean (SD)^a

143.6 (15.4)

Diastolic BP, mmHg, mean (SD)^a

83.3 (11.1)

Medication at enrollment visit

N (%)

 Anti-hypertensive drug treatment

94 (80.3)

  Beta-blocker

31 (26.5)

  Renin–angiotensin system inhibitor

37 (31.6)

  Renin–angiotensin system inhibitor + thiazide diuretic

35 (29.9)

  Calcium channel blocker

42 (35.9)

  Alpha-blocker

5 (4.3)

  Mineral corticoid inhibitor

3 (2.6)

  Thiazide diuretic single

8 (6.8)

  Loop diuretic single

5 (4.3)

  Other anti-hypertensive drugs^b

9 (7.7)

Other measures

 Body mass index, kg/m², mean (SD)

29.4 (5.2)

 Estimated glomerular filtration rate, mL/min/1.73 m², mean (SD)

71.9 (11.2)

 Uric acid, μmol/L, mean (SD)

327.9 (73.6)