Table 3.

Correlation between the changes in the objective parameters and the symptom scores in the patients with FD treated with LG21

Stomach-related parameters	Symptoms
	Δ (epigastric pain-like)*		Δ (postprandial distress-like)*
	r	p Value	r	p Value
GF
Δ (volume)	0.11†	0.49	0.07†	0.65
Δ (pH)	0.06‡	0.69	0.04‡	0.82
Δ (no. of cultured bacteria)	0.01‡	0.93	0.05‡	0.76
Δ (abundance of Prevotella)	0.38‡	0.07	0.52‡	0.009
Δ (serum PGI)	0.07‡	0.67	0.07‡	0.64

*Δ score (before LG21 treatment−after LG21 treatment).

†Pearson's product–moment correlation coefficient.

‡Spearman's rank correlation coefficient.

FD, functional dyspepsia; GF, gastric fluid; LG21, Lactobacillus gasseri OLL2716.