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Table 4 Univariate analyses of treatment variables for the outcome of treatment success versus treatment failure, loss to follow-up, or death, using complete case analysis

From: Predictors of treatment outcomes among patients with multidrug-resistant tuberculosis in Vietnam: a retrospective cohort study

Variable

Treatment outcome [n (%)]

Odds of treatment success versus failure, loss to follow-up, or death [cOR (95% CI)]

p-value

Success

Failure, loss to follow-up, or death

Age (n = 612)

n/aa

n/aa

0.99 (0.97–1.00)

0.013

Gender (n = 612)

 Female

112 (75.7%)

36 (24.3%)

1.00 (reference)

0.003

 Male

289 (62.3%)

175 (37.7%)

0.53 (0.35–0.81)

Previous treatment (n = 594)

 No

65 (62.5%)

39 (37.5%)

1.00 (reference)

0.456

 Yes

325 (66.3%)

165 (33.7%)

1.18 (0.76–1.83)

Financially supported through SHI (n = 426)

 No

72 (62.6%)

43 (37.4%)

1.00 (reference)

0.310

 Yes

211 (67.8%)

100 (32.2%)

1.26 (0.81–1.97)

Diabetes (n = 424)

 No

256 (68.6%)

117 (31.4%)

1.00 (reference)

0.053

 Yes

28 (54.9%)

23 (45.1%)

0.56 (0.31–1.01)

Heart disease (n = 424)

 No

275 (67.7%)

131 (32.3%)

1.00 (reference)

0.125

 Yes

9 (50.0%)

9 (50.0%)

0.48 (0.19–1.23)

HIV (n = 500)

 No

319 (68.8%)

145 (31.2%)

1.00 (reference)

0.001

 Yes

15 (41.7%)

21 (58.3%)

0.33 (0.16–0.65)

Kidney disease (n = 424)

 No

283 (67.1%)

139 (32.9%)

1.00 (reference)

0.616

 Yes

1 (50.0%)

1 (50.0%)

0.49 (0.03–7.91)

Liver disease (n = 424)

 No

273 (67.6%)

131 (32.4%)

1.00 (reference)

0.248

 Yes

11 (55.0%)

9 (45.0%)

0.59 (0.24–1.45)

Malnutrition (n = 424)

 No

277 (67.4%)

134 (32.6%)

1.00 (reference)

0.312

 Yes

7 (53.8%)

6 (46.2%)

0.46 (0.19–1.71)

Psychiatric disorder (n = 424)

 No

274 (66.5%)

138 (33.5%)

1.00 (reference)

0.237

 Yes

10 (83.3%)

2 (16.7%)

2.52 (0.54–11.65)

Respiratory disorderb (n = 424)

 No

256 (68.8%)

116 (31.2%)

1.00 (reference)

0.034

 Yes

28 (53.8%)

24 (46.2%)

0.53 (0.29–0.95)

Substance abuse (n = 424)

 No

277 (68.1%)

130 (31.9%)

1.00 (reference)

0.027

 Yes

7 (41.2%)

10 (58.8%)

0.33 (0.12–0.88)

Other comorbidityc (n = 424)

 No

277 (67.4%)

134 (32.6%)

1.00 (reference)

0.312

 Yes

7 (53.8%)

6 (46.2%)

0.56 (0.19–1.71)

Infection site (n = 598)

 Pulmonary

378 (65.4%)

200 (34.6%)

1.00 (reference)

0.777

 Extrapulmonary

9 (75.0%)

3 (25.0%)

1.59 (0.43–5.92)

0.492

 Both

5 (62.5%)

3 (37.5%)

0.88 (0.21–3.72)

0.864

Antibiotic resistance (n = 409)

 RR-/MDR-TB

255 (71.4%)

102 (28.6%)

1.00 (reference)

0.000

 Pre-XDR or XDR-TB

24 (47.2%)

28 (52.8%)

0.34 (0.19–0.62)

Initial sputum (smear) positivity (n = 584)

 No

149 (69.6%)

65 (30.4%)

1.00 (reference)

0.152

 Yes

235 (63.7%)

134 (36.3%)

0.77 (0.54–1.10)

Smear conversion after 2 months (n = 557)

 No

41 (53.2%)

36 (46.8%)

1.00 (reference)

0.002

 Yes

341 (71.0%)

139 (29.0%)

2.15 (1.32–3.51)

Culture conversion after 2 months (n = 526)

 No

75 (62.5%)

45 (37.5%)

1.00 (reference)

0.071

 Yes

289 (71.2%)

117 (28.8%)

1.48 (0.97–2.27)

Smear conversion after 4 months (n = 518)

 No

6 (37.5%)

10 (62.5%)

1.00 (reference)

0.005

 Yes

364 (72.5%)

138 (27.5%)

4.40 (1.57–12.33)

Culture conversion after 4 months (n = 509)

 No

15 (44.1%)

19 (55.9%)

1.00 (reference)

0.000

 Yes

351 (73.9%)

124 (26.1%)

3.59 (1.77–7.27)

At least one side effect experienced during inpatient treatment (n = 418)

 No

261 (67.4%)

126 (32.6%)

1.00 (reference)

0.077

 Yes

16 (51.6%)

15 (48.4%)

0.52 (0.25–1.08)

At least one side effect experienced during outpatient treatment (n = 545)

 No

294 (66.2%)

150 (33.8%)

1.00 (reference)

0.120

 Yes

75 (74.3%)

26 (25.7%)

1.47 (0.90–2.40)

  1. cOR = crude (unadjusted) odds ratio
  2. n = number of individuals for whom data were available
  3. RR-/MDR-TB = rifampicin-resistant or multidrug-resistant tuberculosis
  4. Pre-XDR or XDR-TB = pre-extensively drug resistant tuberculosis or extensively drug resistant tuberculosis
  5. Bolded variables were included in the multivariable analysis
  6. aAge is represented as a continuous variable in the model
  7. bRespiratory disorder refers to either: atelectasis, bronchiectasis, bronchitis, bronchopneumonia, chronic pulmonary disease, lung tumor, pneumonia, pneumothorax, or respiratory failure
  8. cOther includes: adrenal failure, anaemia, esophageal cancer, gout, pleural effusion, and a seizure disorder