Anti-Helicobacter pylori immunoglobulin G (IgG) and IgA antibody responses and the value of clinical presentations in diagnosis of Helicobacter pylori infection in patients with precancerous lesions

Table 4 Diagnostic accuracy of H. pylori infection determined by different assemblages of symptoms

Attributes	Assemblages of symptoms	Accuracy (%)
		H. pylori (+)	H. pylori (-)
Pathogenic factors	Smoking, alcohol, limbs, hand and foot (alla)	70.7%	42.3%
and general status
Pathogenic factors,	Smoking, alcohol, dietary regularity, limbs, and tongue quality (alla)	74.3%	39.1%
general status and tongue
Pathogenic factors and	Smoking, alcohol, limbs, hand and foot, distending fullness in the stomach,	51.4%	52.2%
digestive symptoms	stomachache, distending fullness in the abdomen, and nausea (alla)
Digestive symptoms	Appetite, distending fullness in the stomach, stomachache, distending fullness	71.4%	26.1%
	in the abdomen, pain in the hypochondrium, pain in the abdomen, singultus,
	nausea, vomit, acid regurgitation and epigastric upset, heartburn, and stool (alla)
Digestive symptoms	Distending fullness in the stomach, stomachache, pain in the abdomen,	72.1%	26.1%
and tongue	nausea, and fur of tongue (alla)
General status	Taste, swollen, head, limbs, chest, hand and foot, spirit and sleep,	50.7%	40.6%
	emotion, complexion (alla)
Total symptoms	35 itemsb	65.7%	40.6%

^aP < 0.05-0.001, the difference between two classes tested by the ANOVA analysis.

^bP < 0.05-0.001, except dietary bias, dietary regularity, urine, oropharynx, eye, ear, physique, tongue quality, and tongue body.