Low circulating levels of gastrin-17 in patients with Barrett's esophagus

Table 1 LR+ of low serum level of fasting G-17 in whole study population

G-17fast pmol/L	Barrettn	Controlsn	LR+(95%CI)
<0.5	7	21	3.5 (1.39.3)
<1	9	31	3.0 (1.37.3)
<1.5	13	48	2.8 (1.36.1)
<2	15	66	2.4 (1.14.9)
<3	17	89	2.0 (1.04.0)
<5	18	123	1.5 (0.83.0)
All	19	199	1

Table 2 LR+ of low serum level of fasting G-17 in patients and controls (males and females) with normal and healthy gastric mucosae (histology)

G-17fastpmol/L	Barrettn	Controlsn	LR+(95%CI)
<0.5	6	7	5.6 (1.719)
<1	7	12	3.8 (1.311)
<1.5	10	25	2.6 (1.16.5)
<2	12	42	1.9 (0.84.3)
<3	14	61	1.5 (0.73.3)
<5	15	79	1.2 (0.62.7)
All	16	105	1

Table 3 LR+ of low serum level of fasting G-17 in patients and controls with healthy gastric mucosa, no H. pylori antibodies and serum pepsinogen I 50 mg/L

G-17fast pmol/L	Barrettn	Controlsn	LR+(95%CI)
<0.5	6	13	3.1 (1.09.4)
<1	8	19	2.8 (1.17.6)
<1.5	11	34	2.2 (0.95.1)
<2	13	49	1.8 (0.84.0)
<3	15	65	1.6 (0.73.4)
<5	15	81	1.3 (0.62.7)
All	16	108	1