Visualized Quantitative Evaluation of Gastrointestinal Activity in Healthy Volunteers Using a Noninvasive Single-Channel Electroamplifier

Table 2

Correlation coefficients between characteristics of healthy volunteers and gastrointestinal electrical activity parameters.

Parameter	Male sex	Age	BMI	Time since last meal	Time since last defecation	Bristol Stool Form Scale
Gastric DF
Preprandial	0.062	-0.043	0.051	-0.341	-0.024	-0.102
Postprandial	0.007	-0.002	-0.155	-0.272	-0.060	-0.064
Gastric DP
Preprandial	-0.234	-0.109	-0.566	0.117	-0.064	-0.143
Postprandial	-0.068	-0.219	-0.534	0.042	-0.049	-0.009
Power ratio	0.229	0.014	0.046	0.000	0.123	0.132
Small intestinal DF
Preprandial	-0.060	0.018	-0.273	-0.348	-0.174	-0.054
Postprandial	-0.187	0.062	-0.267	-0.048	-0.073	-0.083
Small intestinal DP
Preprandial	-0.173	-0.127	-0.459	0.165	0.098	-0.220
Postprandial	-0.054	-0.149	-0.529	0.168	0.080	0.102
Power ratio	0.165	-0.062	-0.050	0.069	0.027	0.430

BMI: body mass index; DF: dominant frequency; DP: dominant power. , .