Ann Clin Microbiol 2020;23:201-210. Evaluating the Use of Distilled Water for Washing Sodium Hydroxide in Mycobacterial Culture

Table 1. Mycobacteria culture results of specimen processed by PBS and DW
Washing solutionNo. of specimenNo. (%) of positive culture forNo. (%) of contamination*
AllMTBCNTM 
PBS14,5321,843 (12.7)684 (4.7)1,159 (8.0)907/14,023 (6.5)
DW14,2912,095 (14.7)754 (5.3)1,341 (9.4)563/13,794 (4.1)

*Respiratory specimen.
Abbreviations: MTBC, Mycobacterium tuberculosis complex; NTM, nontuberculous mycobacteria; PBS, phosphate buffered solution; DW, distilled water.