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[Modernized study on eye's signs of blood-stasis syndrome]
Rui Wu1, Jian-xiang Xie, Feng-da Zhao
1The First Affiliated Hospital of Nanchang University, Jiangxi. tcmclinic@163.com
Objective:
To make out a computerized formula to diagnose eye's signs of blood-stasis syndrome (BSS), and to improve the previous diagnostic methods by naked eyes.
Methods:
The formula was created by detecting and analyzing the changes of eye's signs in 544 patients (261 of non-BSS and 283 of BSS) quantitatively, adopting computer's color scale principle. And the sensitivity, specificity and accuracy of the formula were verified in 382 patients (97 non-BSS and 285 of BSS). The computerized integral was compared with the naked eye integral, and the normal reference value was calculated with percentile.
Results:
Various observatory indices of eye's sign were positively correlated with BSS. The specificity of the computerized method was 83.5%, and the diagnostic sensitivity was 89.8%, the accuracy 88.2%, and the correct index 0.733. Comparisons between the computerized integral method and the naked eye integral method showed significant difference in patients of non-BSS or of BSS in various degrees (including mild, moderate and severe) (P < 0.01). The reference value of the naked eye method was below 15.
Conclusion:
The computerized formula of eye's signs has higher specificity and sensitivity in the diagnosis of BSS, while the naked eye integral method is proved to be useful.
