Correlation Between Qi Stagnation and Phlegm Stasis Syndrome in Young and Middle-Aged Population and the Prevalence of Thyroid Nodules
Objective To investigate the correlation between qi stagnation and phlegm stasis syndrome in the young and middle-aged population and the detection rate of thyroid nodules.Methods The clinical data of those who participated in the questionnaire survey and took thyroid ultrasonography at Dongguan Hospital of Guangzhou University of Chinese Medicine from June 1 to December 1,2023 were collected.The clinical information covered age,gender,family history,body mass index(BMI),related symptoms,and ultrasonographic findings.And then the related data were statistically analyzed.Results(1)The clinical data of 196 cases were collected,of which 65 cases(33.16%)suffered from thyroid nodules,50 cases(25.51%)were differentiated as qi stagnation and phlegm stasis syndrome,53 cases(27.04%)had qi depression constitution of traditional Chinese medicine(TCM),55 cases(28.06%)had blood stasis constitution,and 48 cases(24.49%)had phlegm-dampness constitution.(2)The results of univariate analysis showed that the relevant factors for thyroid nodules included female,family history,qi stagnation and phlegm stasis syndrome,qi depression constitution,blood stasis constitution,phlegm-dampness constitution,dizziness and headache,neck stiffness,swallowing discomfort,lump on the surface of the body,dysmenorrhea and amenorrhea,tightness in the chest,distending pain in hypochondrium,depressed in spirits,emotional vulnerability,distending pain in breast,gloomy complexion,darkish lips,dark circles around the eyes,heaviness of the body,eyelid edema,and profuse sputum,and the differences were all statistically significant(P＜0.05 or P＜0.01).(3)Multivariate Logistic regression analysis was performed on the basis of univariate analysis,and the results showed that qi stagnation and phlegm stasis syndrome(OR:4.03,95%CI:1.85-8.77),phlegm-dampness constitution(OR:4.68,95%CI:2.06-10.63),and lump on the surface of the body(OR:2.97,95%CI:1.11-7.95)were the influencing factors for thyroid nodules.(4)A prediction model for detecting thyroid nodules was constructed:logit(P)=-1.607+1.39×qi stagnation and phlegm stasis syndrome(0 expressing absence,1 expressing presence)+1.54×phlegm-dampness constitution(0 expressing absence,1 expressing presence)+1.09×lump on the surface of the body(0 expressing absence,1 expressing presence).The model was evaluated by using the receiver operating characteristic(ROC)curve,and the area under the curve(AUC)was 0.75(95%CI:0.67-0.83,P＜0.001).Conclusion In the young and middle-aged population,qi stagnation and phlegm stasis are the risk factors for the detectable rate of thyroid nodules.The early identification,risk prediction and timely intervention for the population with qi stagnation and phlegm stasis will be helpful for the prevention and treatment of thyroid nodules.
thyroid nodulesqi stagnation and phlegm stasisyoung and middle-agedtraditional Chinese medicine constitutionearly identificationrisk prediction
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