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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.