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Table 7 The smear microscopy result according to the quality of the specimen collection using the strict definition (i.e. three samples submitted with volume ≥ 3 ml, color yellow-green, and correct viscosity).

From: Insufficient quality of sputum submitted for tuberculosis diagnosis and associated factors, in Klaten district, Indonesia

Smear microscopy results*

Individuals with poor quality sputum sample collection

n (%)

Individuals with good quality sputum sample collection

n (%)

Total number of individuals

n (%)

No sputum sample submitted

30 (12.8)

0 (0.0)

30 (11.0)

Negative (for all samples submitted)

195 (83.0)

31 (83.8)

226 (83.1)

Positive 2×

2 (0.8)

1 (2.7)

3 (1.1)

Positive 3×

8 (3.4)

5 (13.5)

13 (4.8)

Total

235 (86.4)

37 (13.6)

272 (100)

  1. * the samples of 22 interviewed TB suspects were not evaluated for volume, color and viscosity. These 22 TB suspects are excluded from the analysis