Table 4.

Multivariate analysis for the predicting independent factors of the positivity to GBT in patients with abdominal surgery^a

	OR	95% CI	P
Positive GBT
Gastrectomy status	14.09	1.15–172.21	0.04
Gastrin (≥29 pg/dL)	3.09	1.06–8.99	0.04
PG I/II ratio	0.90	0.68–1.19	0.48
Positive GBT (H2)
Gastrectomy status	19.15	1.452–252.55	0.03
Gastrin (≥29 pg/dL)	4.56	1.42–14.59	0.01
PG I/II ratio	0.87	0.65–1.18	0.38
Positive GBT (CH4)
Hysterectomy status	0.73	0.15–3.51	0.69
Gastrin (≥29 pg/dL)	0.83	0.18–3.84	0.82
PG I/II ratio	0.1.1	0.75–1.50	0.75

CH₄, methane; CI, confidence interval; GBT, glucose breath test; H₂, hydrogen; OR, odds ratio; PG, pepsinogen.

^aA total of 95 patients undergoing tests for PG profiles were included.