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Table 2 AFB detection and grading in spot-morning-spot sputum specimens using CS method

From: Comparative evaluation of a two-reagent cold stain method with Ziehl-Nelseen method for pulmonary tuberculosis diagnosis

CS; no. (%)/362
Sputum specimen Grade
3+ 2+ 1+ Scanty Negative Total
1st Spot 5(1.4) 11(3.0) 6(1.7) 1(0.3) 339(93.6) 362(100)
Moring 7(1.9) 10(2.8) 5(1.4) 1(0.3) 339(93.6) 362(100)
2nd Spot 6(1.7) 9(2.5) 7(1.9) 1(0.3) 339(93.6) 362(100)
  1. CS Cold stain.