993例癌症患者舌象信息比分析

An Analysis on Information Ratio of Tongue Appearance of 993 Cases with Cancer

本文用舌诊比色板,并引入列联表计算信息量的方法,对993例癌症、426例非癌症患者和8001例正常人进行了统计分析。结果表明在以舌诊参考诊断肿瘤时,依次为年龄、舌质、舌苔、舌体这四个指征带来的信息最大,∑λ=86%;结合最大似然法按10%比例进行了回代、考核,正确率84.52%,假阳性率5.15%,假阴性率37.62%。

The statistics of 993 cases of cancer, 426 cases of non-cancer and 8001 cases of normal person had been analysed with shade guide of tongue diagnosis and the method of contingency table counting information. These results showed when to diagnose the cancer, the four informations of age, tongue proper, tongue coating and tongue form were obvious, ∑λ=86%. And it was regressed and checked with 10% proportion combining with greater likelihood method, its correct rate was 84.52%, false positive rate was 5.15%, false negative rate was 37.62%.