Among 107 subjects who provided 3 gastric washing specimens and at least 3 induced sputum specimens, 43% had cultures positive for Mycobacterium tuberculosis.
在107例受试者中，有3次洗胃样本以及至少3次诱导咳痰样本，43%受试者的结核分枝杆菌培养阳性。
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Conclusions. Use of 3 induced sputum samples was more sensitive than use of 3 gastric washings for diagnosis of tuberculosis in patients who could not expectorate spontaneously.
结论：运用3次诱导咳痰比3次洗胃诊断不能自行咳痰的结核病人更具敏感性。
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Conclusion Collecting gastric juice through different methods for culture of Mycobacterium tuberculosis is specific for diagnosis of paediatric pulmonary tuberculosis.