The Effects of Banha-sasim-tang on Dyspeptic Symptoms and Gastric Motility in Cases of Functional Dyspepsia: A Randomized, Double-Blind, Placebo-Controlled, and Two-Center Trial
Table 4
Comparison of main parameters in electrogastrography (EGG) between BST and placebo groups.
EGG parameters
Groups
Normal/abnormal
Electrode sites of EGG
Channel 1
Channel 2
Channel 3
0 week
6 weeks
0 week
6 weeks
0 week
6 weeks
Preprandial dominant frequency
, (%)
BST
Normogastria
37 (74.0)
30 (69.8)
29 (58.0)
25 (56.8)
29 (58.0)
25 (56.8)
Dysrhythmia
13 (26.0)
13 (30.2)
21 (42.0)
19 (43.2)
21 (42.0)
19 (43.2)
Placebo
Normogastria
40 (80.0)
31 (75.6)
41 (82.0)
28 (68.3)
34 (68.0)
31 (75.6)
Dysrhythmia
10 (20.0)
10 (24.4)
9 (18.0)
13 (31.7)
16 (32.0)
10 (24.4)
Postprandial dominant frequency
, (%)
BST
Normogastria
35 (70.0)
35 (79.5)
35 (70.0)
32 (72.7)
33 (66.0)
36 (81.8)
Dysrhythmia
15 (30.0)
9 (20.5)
15 (30.0)
12 (27.3)
17 (34.0)
8 (18.2)
Placebo
Normogastria
38 (76.0)
31 (75.6)
34 (68.0)
30 (73.2)
40 (80.0)
34 (82.9)
Dysrhythmia
12 (24.0)
10 (24.4)
16 (32.0)
11 (26.8)
10 (20.0)
7 (17.1)
Power ratio
, (%)
BST
≥1
25 (59.5)
24 (74.3)
22 (57.9)
22 (67.6)
24 (75.0)
24 (67.6)
<1
17 (40.5)
11 (25.7)
16 (42.1)
12 (32.4)
12 (25.0)
13 (32.4)
Placebo
≥1
31 (72.7)
22 (59.5)
30 (73.2)
17 (50.0)
33 (85.0)
24 (72.2)
<1
13 (27.3)
15 (40.5)
11 (26.8)
19 (50.0)
7 (15.0)
12 (27.8)
Abnormal EGG findings are defined as a reading of gastric dysrhythmia (including tachygastria, bradygastria, and arrhythmia) in ≥30% (or normogastria < 70%) of the total recordings of EGG in the fed state or a power ratio of >1 [22]. BST: Banha-sasim-tang.