Exploratory Factor Analysis for Validating Traditional Chinese Syndrome Patterns of Chronic Atrophic Gastritis

Table 6

Syndrome pattern and their corresponding common factors and four diagnostic variables.

Syndrome pattern		Common factors	Four diagnostic variables
Disease nature	Organ location
F1 (qi deficiency)	Spleen	F4, F8, F9	Loose stool, constipation, listlessness, lack of strength, tinnitus, sallow complexion, insomnia, pale red tongue, enlarged tongue, teeth-marked tongue, tongue with petechiae
F2 (qi stagnation)	Liver; Stomach	F5, F10, F12	Distention and fullness of the stomach, bitter taste in mouth, belching, acid regurgitation, heartburn, poor appetite, nausea, frequent sighing, abdominal distention, dry mouth, constipation, fine pulse
F3 (blood stasis)	Stomach	F3, F7	Severe stomach pain, tinnitus, dark tongue, tongue with petechiae, choppy pulse, red tongue, yellow tongue coating
F4 (phlegm turbidity)	Spleen; Stomach	F2, F11, F13, F14	Constipation, abdominal distention, nausea, stifling sensation in the chest, palpitation, insomnia, profuse dreaming at night, teeth-marked tongue, thick tongue coating, greasy tongue coating, slippery pulse
F5 (heat)	Spleen; Liver; Stomach	F3, F6, F15	Severe stomach pain, irritability, bitter taste in mouth, insomnia, profuse dreaming at night, abdominal distention, fetid mouth odor, dry mouth, red tongue, yellow tongue coating, enlarged tongue
F6 (yang deficiency)	Spleen; Stomach	F1	Stomach aversion to cold, listlessness, sensation of coldness of the body and limbs, palpitation, frequent sighing, tinnitus, teeth-marked tongue