Lot Quality Assurance Sampling of Sputum Acid-Fast Bacillus Smears for Assessing Sputum Smear Microscopy Centers
2005
Selvakumar, N. | Murthy, B. N. | Prabhakaran, E. | Sivagamasundari, S. | Vasanthan, Samuel | Perumal, M. | Govindaraju, R. | Chauhan, L. S. | Wares, Fraser | Santha, T. | Narayanan, P. R.
Assessment of 12 microscopy centers in a tuberculosis unit by blinded checking of eight sputum smears selected by using a lot quality assurance sampling (LQAS) method and by unblinded checking of all positive and five negative slides, among the slides examined in a month in a microscopy centre, revealed that the LQAS method can be implemented in the field to monitor the performance of acid-fast bacillus microscopy centers in national tuberculosis control programs.
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