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Table 3 Data on Patients with Positive Smears and Negative Cultures

From: Sensitivity of direct versus concentrated sputum smear microscopy in HIV-infected patients suspected of having pulmonary tuberculosis

Patient ID

Admission CD4 Count

Smear Resulta

Final Diagnosis

Treated for TB After Discharge?

Status 2 Months After Discharge

  

Direct

Concentrated

   

1

31

 

1+

TB

Yes

Improved

2

193

 

1+

TB

Yes

Improved

3

196

 

1+

TB

Yes

Improved

4

398

 

Scanty

TB

Yes

Improved

5

687

 

3+

TB

Yes

Improved

6

110

 

1+

Aspergillus

Yes

No Improvement

7

3

 

1+

PCP

Died in hospital

Dead

8

5

 

Scanty

Bacterial Pneumonia

No

Improved

9b

12

Scanty

 

Unknown

Died in hospital

Dead

10

31

 

1+

Unknown

Died in hospital

Dead

11

59

 

1+

Unknown

Died in hospital

Dead

12

81

 

Scanty

Bacterial Pneumonia

No

Improved

13

399

 

1+

Unknown

No

No Improvement

  1. TB, tuberculosis; PCP, Pneumocystis jirovecii pneumonia
  2. aScanty = 1–9 acid-fast bacilli (AFB) per 100 high-power fields (HPF), 1+ = 1–9 AFB per 10 HPF, 3+ = >10 AFB per HPF.
  3. bDirect smear alone was positive; for other patients, the concentrated smear alone was positive.