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Table 3 Prevalence of RR-TB among MTB positive patients at the UoGCSH (2015 – 2021)

From: Trends of Mycobacterium tuberculosis and Rifampicin resistance in Northwest Ethiopia: Xpert® MTB/RIF assay results from 2015 to 2021

Variables

Frequency No (%)

Rifampicin resistance

Chi-square (X2)

p-value

Detected No (%)

Not detected No (%)

Sex

(n = 1846)

Male

1060 (57.4)

73 (6.9)

987 (93.1)

1.036

0.309

Female

786 (42.6)

64 (8.1)

722 (91.9)

Age in years

(n = 1846)

 ≤ 5

39 (2.1)

0

39 (100)

14.551

0.024

6 – 15

66 (3.6)

4 (6.1)

62 (93.9)

16 – 25

498 (27.0)

35 (7.0)

463 (93.0)

26 – 35

572 (31.0)

38 (6.6)

534 (93.4)

36 – 45

331 (17.9)

24 (7.3)

307 (92.7)

46 – 55

163 (8.8)

23 (14.1)

140 (85.9)

 ≥ 56

177 (9.6)

13 (7.3)

164 (92.7)

Year of diagnosis

(n = 1846)

2015

395 (21.4)

45 (11.4)

350 (88.6)

18.287

0.006

2016

230 (12.5)

16 (7.0)

214 (93.0)

2017

275 (14.9)

21 (7.6)

254 (92.4)

2018

132 (7.2)

8 (6.1)

124 (93.9)

2019

193 (10.5)

18 (9.3)

175 (90.7)

2020

235 (12.7)

14 (6.0)

221 (94.0)

2021

386 (20.9)

15 (3.9)

371 (96.1)

TB category

(n = 622)

New

471 (75.7)

40 (8.5)

431 (91.5)

11.862

 < 0.001

Re-Rx

151 (24.3)

28 (18.5)

123 (81.5)

HIV status

(n = 466)

Positive

182 (39.0)

11 (6.0)

171 (94.0)

1.469

0.226

Negative

284 (61.0)

26 (9.2)

258 (90.8)

Specimen type

(n = 1783)

Sputum

1718 (96.4)

131 (7.6)

1587 (92.4)

3.214

0.200

Gas-aspir

39 (2.2)

0

39 (100)

Others

26 (1.5)

2 (7.7)

24 (92.3)

Diagnosis

(n = 1783)

PTB

1757 (98.5)

131 (7.5)

1626 (92.5)

0.002

0.964

EPTB

26 (1.5)

2 (7.7)

24 (92.3)

Refer-unit

(n = 1541)

UoGCSH

1292 (83.8)

87 (6.7)

1205 (93.3)

1.403

0.236

HCs

249 (16.2)

22 (8.8)

227 (91.2)

  1. PTB Pulmonary Tuberculosis, EPTB Extra-pulmonary tuberculosis, UoGCSH University of Gondar Comprehensive Specialized Hospital, HCs Health Centers, Gas-asir Gastric aspiration, Re-Rx retreatment