Table 1

Demographic and clinical data

HCs (n=44)FD (n=44)p Value
 Before LG21 treatmentAfter LG21treatmentHC vs FD beforeFD before vs FD after
Age of years41.5 (30.3–48.5)*42.5 (34.5–50.3)0.27
Male/female30/1422/220.083
FSSG scores
 Epigastric pain-like1.0 (0–2.0)12.0 (7.8–15)4.0 (3.0–6.3)<0.001<0.001
 Postprandial distress-like2.0 (1.0–3.0)15.0 (13.0–17.3)7.3 (3.0–10.3)<0.001<0.001
GF
 Volume (mL)18.6±9.2†23.4±10.419.7±9.50.0260.046
 pH1.65 (1.40–1.86)1.58 (1.43–1.85)1.84 (1.56–3.81)0.720.012
 Number of cultured bacteria (log10 CFU/mL)2.3 (1.3–4.8)2.4 (1.3–4.0)3.7 (1.7–6.8)0.910.050
Serum
 Pepsinogen I37.7 (29.4–44.0)33.3 (27.5–41.9)34.7 (29.9–44.8)0.360.045
 PG I/II ratio5.3 (4.8–6.0)5.1 (4.6–5.8)5.3 (4.7–6.3)0.220.052
% urinary sucrose excretion (×103)6.2 (3.8–10)9.5 (4.8–16)10 (5.3–14)0.160.82
  • *Median (IQR).

  • †Mean±SD.

  • CFU, colony-forming unit; FD, functional dyspepsia; FSSG, frequency scale for the symptoms of GERD; GF, gastric fluid; HC, healthy control; LG21, Lactobacillus gasseri OLL2716; PGI/II, pepsinogens I/II.