Qi-Shen-Yi-Qi Dripping Pills for the Secondary Prevention of Myocardial Infarction: A Randomised Clinical Trial
Table 1
Baseline characteristics of included patients.
Proportion
QSYQ ()
Aspirin ()
Age at entry (years)
Mean (SD)
58.35 (9.02)
58.28 (8.99)
≤60
910 (52.12%)
921 (52.36%)
>60
836 (47.88%)
838 (47.64%)
Gender—male*
1191 (68.21%)
1260 (71.63%)
Smoking*
773 (44.27%)
840 (47.75%)
Alcohol consumption*
505 (28.92%)
568 (32.29%)
Nationality-Han
1682 (96.33%)
1680 (95.5%)
BMI (Kg/m2)
Mean (SD)
24.24 (2.82)
24.28 (2.86)
<25
1125 (64.43%)
1122 (63.79%)
≥25
621 (35.57%)
637 (36.21%)
Time since latest MI (months)
<6
13 (0.74%)
12 (0.68%)
6–12
91 (5.21%)
102 (5.80%)
>12
1642 (94.04%)
1645 (93.52%)
Type of MI
Non-ST-elevation MI
90 (5.15%)
69 (3.92%)
Mainly anterior MI
529 (30.30%)
580 (32.97%)
Mainly inferior MI
766 (43.87%)
792 (45.03%)
Medical history#
Hyperlipidemia
683 (39.12%)
680 (38.66%)
Hypertension
753 (43.13%)
758 (43.09%)
Diabetes mellitus
219 (12.54%)
227 (12.91%)
Stroke
121 (6.93%)
106 (6.03%)
Gastritis
227 (13.00%)
212 (12.05%)
Medications before entry†
Anti-platelet agents
1417 (81.16%)
1398 (79.48%)
Beta-blockers
786 (45.02%)
800 (45.48%)
ACE inhibitors
666 (38.14%)
669 (38.03%)
Lipid-lowering agents
723 (41.41%)
705 (40.08%)
Calcium blockers
238 (13.63%)
231 (13.13%)
Diuretics
107 (6.13%)
90 (5.12%)
Cardiotonic agents
40 (2.29%)
40 (2.27%)
Antiarrhythmia agents
26 (1.49%)
29 (1.65%)
Nitrates
1268 (72.62%)
1255 (71.35%)
Chinese patent
620 (35.51%)
636 (36.16%)
SD: standard deviation; MI: myocardial infarction; BMI: body mass index. *The intergroup difference is statistically significant ().
#If a patient had more than one condition, they were counted for each of the different diseases. †If a patient took more than one drug, they were counted for each of the different drugs. Chinese patent medicines were mainly used for heart disease.
