Research Article

Efficacy and Safety of Yangyin Shuxin Decoction—a Chinese Herbal Medicine Formula For Heart Failure with Preserved Ejection Fraction: A Randomized Controlled Trial

Table 1

Baseline demographic and clinical characteristics.

VariablesTotal (n = 63)Treatment group (n = 31)Control group (n = 31)

Age (yrs)69.44 ± 6.0469.32 ± 6.1869.56 ± 5.990.876
Females (n %)50 (79.37)25 (80.65)25 (80.65)0.805
SBP (mmHg)136.63 ± 16.60133.23 ± 14.94139.94 ± 17.680.109
DBP (mmHg)78.16 ± 10.5775.58 ± 10.2680.66 ± 10.430.056
HR (bpm)69.78 ± 13.6369.16 ± 14.5670.38 ± 12.870.727
Past medical history
CHD (n %)25 (39.68)12 (38.71)13 (40.63)0.877
HTN (n %)52 (82.54)24 (77.42)28 (87.50)0.292
DM (n %)16 (25.40)7 (22.58)9 (28.13)0.613
Arrhythmia (n %)29 (46.03)14 (45.16)15 (46.88)0.891
HLD (n %)30 (47.62)14 (45.16)16 (50.00)0.701
NYHA functional classification
Class II (n %)49 (77.78)22 (70.97)27 (84.38)0.201
Class III (n %)14 (22.22)9 (29.03)5 (15.63)0.201
Concomitant medications
Aspirin (n %)44 (69.84)21 (67.74)23 (71.88)0.721
Beta-blockers (n %)31 (49.21)13 (41.94)18 (56.25)0.256
ACEI (n%)2 (3.17)2 (6.45)0 (0.00)0.147
ARB (n %)28 (44.44)12 (38.71)16 (50.00)0.367
CCB (n %)31 (49.21)13 (41.94)18 (56.25)0.256
Nitrate (n%)16 (25.40)5 (16.13)11 (33.33)0.096
Statin (n %)35 (55.56)15 (48.39)20 (62.50)0.260
MRA (n %)6 (9.52)4 (12.90)2 (6.25)0.372
Non‐MRA diuretics (n %)13 (20.63)6 (19.35)7 (21.88)0.805

Data are expressed by mean ± SD, median (interquartile range) or number (%) of patients.