他们均完成了一张关于五种症状的调查问卷，并进行了肺结核菌痰培养和HIV检测。
All completed a five-symptom questionnaire and underwent sputum TB culture and HIV testing.
18名肺结核菌痰培养呈阳性的个人没有表现出肺结核的症状，其中8人(4人在HIV状况组)的痰涂片呈阳性。
TB was asymptomatic in 18 culture-positive individuals, 8 of whom (4 in each HIV status group) had positive sputum smears.
本研究提示这些超声特征的发现要比腹水分析、胸片、结核菌素实验和痰培养更中肯和实用。
This study suggests that the recognition of these sonographic features may be more relevant and practical than ascites fluid studies, chest radiographs, tuberculin skin tests, and sputum cultures.
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