Characteristics of patients with drug susceptible, PZA resistant, and MDR mycobacterial infection in San Francisco between 1991 and 2011.

Abbreviations: HIV, Human Immunodeficiency Virus; AFB, acid-fast bacilli; Ref, referent group.
aOne of the susceptible cases was Native-American.
bHousing status was not known for one of the patients.
cX-ray data was not available for one of the susceptible controls and one of the PZA-MDR cases.
dThree of the susceptible cases died upon diagnosis and one moved. One of the PZA monoresistant cases died before treatment. One of the MDR cases was lost to follow up. Treatment regimens were not available for 5 of the PZA monoresistant, 7 of the MDR, and 2 of the PZA-MDR cases. These cases were excluded from treatment outcomes analysis.
ep values for multinomial logistical regression analysis are not recorded for categories with zero cases.

缩写说明：HIV（人类免疫缺陷病毒，Human Immunodeficiency Virus）、AFB（抗酸杆菌，acid-fast bacilli）、Ref（参照组，referent group）。
注a：1例易感病例为美洲原住民。
注b：1例患者的住房状况未知。
注c：1例易感对照者与1例吡嗪酰胺耐多药（PZA-MDR）病例未获取到X线影像学资料。
注d：3例易感病例在确诊时死亡，1例病例迁出；1例吡嗪酰胺单耐药（PZA单耐药）病例于治疗前死亡；1例耐多药（MDR，Multidrug-resistant）病例失访。另有5例吡嗪酰胺单耐药病例、7例耐多药病例及2例吡嗪酰胺耐多药病例未获取到治疗方案信息，此类病例均被排除于治疗结局分析之外。
注e：对于无病例的分类组别，多项逻辑回归分析的P值未被记录。