The Preventive Value of Acupoint Sensitization for Patients with Stable Angina Pectoris: A Randomized, Double-Blind, Positive-Controlled, Multicentre Trial
Table 1
Baseline characteristics of included patients.
Characteristic1
Group
LSG (N = 93)
HSG (N = 109)
Overall (N = 202)
Age (mean±SD)
66.22 ± 10.02
66.06 ± 9.11
66.13 ± 9.51
Sex (female)
48.0 (51.6%)
63.0 (57.8%)
111 (55.0%)
Marital status (married)
86.0 (92.5%)
101.0 (92.7%)
187 (92.6%)
BMI (Mean±SD)
23.34 ± 3.34
23.14 ± 3.17
23.23 ± 3.24
Education
Basic to junior high school
73 (78.5%)
91 (83.5%)
164 (81.2%)
High school and above
20 (21.5%)
18 (16.5%)
38 (18.8%)
Regular smoker (yes)
27 (29.0%)
26 (23.9%)
53 (26.2%)
Regular drinker (yes)
16 (17.2%)
16 (14.7%)
32 (15.8%)
Previous drug allergies (yes)
8 (8.6%)
14 (12.8%)
22 (10.9%)
CHD family history (yes)
9 (9.7%)
14 (12.8%)
23 (11.4%)
Hypertension (yes)
39 (41.9%)
49 (45.0%)
88 (43.6%)
Diabetes (yes)
17 (18.3%)
25 (22.9%)
42 (20.8%)
Aspirin (yes)
35 (37.6%)
40 (36.7%)
75 (37.1%)
Clopidogrel (yes)
19 (20.4%)
13 (11.9%)
32 (15.8%)
β-Blockers (yes)
17 (18.3%)
27 (24.8%)
44 (21.8%)
Statins (yes)
51 (54.8%)
53 (48.6%)
104 (51.5%)
Angiotensin inhibitor (yes)
4 (4.3%)
4 (3.7%)
8 (4.0%)
Calcium antagonists (yes)
24 (25.8%)
30 (27.5%)
54 (26.7%)
Frequency of angina attacks (mean±SD)
5.52 ± 4.48
6.34 ± 5.81
5.96 ± 5.24
Nitroglycerin consumption
None
62 (66.7%)
76 (69.7%)
138 (68.3%)
<3 times/week
23 (24.7%)
27 (24.8%)
50 (24.8%)
3–12 times/week
7 (7.5%)
6 (5.5%)
13 (6.4%)
≥12 times/week
1 (1.1%)
0 (0.0%)
1 (0.5%)
CCS grade
Level I
45 (48.4%)
49 (45.0%)
94 (46.5%)
Level II
40 (43.0%)
45 (41.3%)
85 (42.1%)
Level III
7 (7.5%)
14 (12.8%)
21 (10.4%)
Level IV
1 (1.1%)
1 (0.9%)
2 (1.00%)
SAQ score
Physical limitations
52.38 ± 18.81
51.44 ± 19.36
51.87 ± 19.06
Angina stability
51.62 ± 20.12
54.82 ± 21.91
53.34 ± 21.12
Angina frequency
80.08 ± 14.37
77.50 ± 16.53
78.69 ± 15.59
Treatment satisfaction
68.75 ± 20.54
68.81 ± 21.72
68.78 ± 21.14
Quality of life
58.87 ± 24.57
62.61 ± 23.20
60.89 ± 23.85
SD: standard deviation; CHD: coronary heart disease; CCS: Canadian Cardiovascular Society; SAQ: Seattle Angina Questionnaire; 1mean ± SD or frequency (%); 2Wilcoxon rank sum test; Pearson’s chi-squared test; Fisher’s exact test.
