Ann Clin Microbiol 2020;23:201-210. Evaluating the Use of Distilled Water for Washing Sodium Hydroxide in Mycobacterial Culture
Washing solution | No. of specimen | No. (%) of positive culture for | No. (%) of contamination* | ||
---|---|---|---|---|---|
All | MTBC | NTM | |||
PBS | 14,532 | 1,843 (12.7) | 684 (4.7) | 1,159 (8.0) | 907/14,023 (6.5) |
DW | 14,291 | 2,095 (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.