Research Article

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

Table 5

Common factors and their corresponding four diagnostic variables, disease nature, and organ locations.

Common factorFour diagnostic variablesSyndrome patternOrgan location of disease

F1Palpitations (.544); frequent sighing (.629); stomach aversion to cold, listlessness (.388); sensation of coldness of the body and limbs (.795); tinnitus (.395)Yang deficiencySpleen and stomach
F2Teeth-marked tongue (.258); thick tongue coating (.889); greasy tongue coating (.685)Phlegm turbiditySpleen and stomach
F3Severe stomach pain (.356); red tongue (.386); yellow tongue coating (.895)Heat and blood stasisStomach
F4Loose stool (.416); constipation (.502); listlessness (.730); lack of strength (.738); tinnitus (.312); enlarged tongue (.312)Qi deficiencySpleen
F5Distention and fullness of the stomach (.332); bitter taste in the mouth (.282); belching (.425); acid regurgitation (.794); heartburn (.702)Qi stagnationLiver and stomach
F6Irritability (.590); bitter taste in the mouth (.622); insomnia (.561); profuse dreaming at night (.349); dry mouth (.569)HeatLiver
F7 Sharp pain in stomach (.478); tinnitus (.345); dark tongue (.768); tongue with petechiae (.669); choppy pulse (.450);Blood stasisStomach
F8pale red tongue (.860); enlarged tongue (.251); teeth-marked tongue (.254)Qi deficiencySpleen
F9Loose stool (.449); sallow complexion (.775); insomnia (.426); enlarged tongue (.479); tongue with petechiae (.266); teeth-marked tongue (.357)Qi deficiencySpleen
F10Distention and fullness in the stomach (.694); constipation (.324); poor appetite (.720); dry mouth (.341)Qi stagnationSpleen and stomach
F11Insomnia (.353); slippery pulse (.783)Phlegm turbiditySpleen and stomach
F12 Frequent sighing (.251); abdominal distention (.200); belching (.458); nausea (.462); fine pulse (.794)Qi stagnationLiver and stomach
F13Constipation (.363); abdominal distention (.295); nausea (.363); profuse dreaming at night (.786)Phlegm turbiditySpleen
F14Palpitation (.759); stifling sensation in the chest (.833); nausea (.395)Phlegm turbiditySpleen and stomach
F15Abdominal distention (.414); fetid mouth odor (.814); enlarged tongue (.293)Heat and qi stagnationSpleen and stomach

Values in parentheses are results of factor load matrix after rotation transformation.