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Table 3 Result of microbiological examination

From: The value of Xpert MTB/RIF assay of urine samples in the early diagnosis of smear-negative urinary tuberculosis

Test

CRS positive

CRS negative

Total positive share in (%)

Positive

Relative share in (%)

Positive

Relative Share in (%)

AFB

7

8.8(7/80)

2

5.1 (2/39)

7.56 (9/119)**

Xpert

15

41.7(15/36)

4

14.3 (4/28)

29.69 (19/64)

culture

3

12.5(3/24)

1

11.1 (1/9)

12.12 (4/33)

TB-DNA

3

23.8(5/21)

1

9.1 (1/11)

18.75 (6/32)*

  1. CRS composite reference standard AFB Acid-Fast Bacilli smears Xpert Xpert MTB/RIF assay culture culture for MTB TB-DNA Mycobacterium tuberculosis deoxyribonucleic acid
  2. *P < 0.05
  3. **P < 0.01