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Table 4 Factors associated with unsuccessful treatment outcomes among new pulmonary smear-positive tuberculosis patients registered during 2005–2013 in Anqing, China (n = 14,842)

From: Treatment outcomes and factors affecting unsuccessful outcome among new pulmonary smear positive and negative tuberculosis patients in Anqing, China: a retrospective study

Variables

Total (n = 14,842)

Unsuccessful (n = 739)

Univariate analysis

Multivariate analysis

OR (95% CI)

P

OR (95% CI)

P

Sex

Female

3793 (25.56)

177 (4.67)

1

   

Male

11,049 (74.44)

562 (5.09)

1.09 (0.92, 1.30)

0.30

  

Age

15~ 24

1960 (13.21)

48 (2.45)

1

 

1

 

25~ 34

1567 (10.56)

49 (3.13)

1.29 (0.86, 1.93)

0.22

1.31 (0.81, 2.11)

0.28

35~ 44

2412 (16.25)

87 (3.61)

1.49 (1.04, 2.13)

0.03

1.56 (1.00, 2.42)

0.049

45~ 54

2340 (15.77)

113 (4.83)

2.02 (1.43, 2.85)

< 0.001

2.12 (1.38, 3.60)

< 0.001

55~ 64

3269 (22.03)

182 (5.57)

2.35 (1.70, 3.24)

< 0.001

2.32 (1.52, 3.53)

< 0.001

≥65

3294 (22.19)

260 (7.89)

3.41 (2.50, 4.67)

< 0.001

3.08 (2.03, 4.68)

< 0.001

Ethnicity

Han

14,819(99.85)

739 (4.99)

0.63

  

Other

23 (0.15)

0

1

   

Occupation

Student

807 (5.44)

21 (2.60)

1

   

Official staff

190 (1.28)

6 (3.16)

1.22 (0.49, 3.07)

0.67

  

Service

277 (1.87)

9 (3.25)

1.26 (0.57, 2.78)

0.57

  

Worker

1214 (8.18)

54 (4.45)

1.74 (1.04, 2.91)

0.03

  

Farmer

11,567 (77.93)

618 (5.34)

2.11 (1.36, 3.28)

< 0.001

  

Retired staff

261 (1.76)

16 (6.13)

2.44 (1.26, 4.76)

0.009

  

Unemployment

198 (1.33)

7 (3.54)

1.37 (0.58, 3.27)

0.48

  

Other

328 (2.21)

8 (2.44)

0.94 (0.41, 2.13)

0.87

  

Way of discovering patients

Health examination

112 (0.75)

4 (3.57)

1

   

Contact examination

12 (0.08)

1 (8.33)

2.46 (0.25, 23.94)

0.44

  

Clinic visit due to symptoms

6716 (45.25)

294 (4.38)

1.24 (0.45, 3.38)

0.68

  

Recommended due to symptoms

204 (1.37)

17 (8.33)

2.46 (0.81, 7.48)

0.11

  

Referral

7137 (48.09)

370 (5.18)

1.48 (0.54, 4.03)

0.45

  

Tracing

637 (4.29)

52 (8.16)

2.40 (0.85, 6.77)

0.10

  

Other

24 (0.16)

1 (4.17)

1.17 (0.13, 11.00)

0.89

  

Treatment management models

Self-medication

8 (0.05)

6 (75.00)3

67.72(13.65, 336.07)

< 0.001

70.38 (12.97, 381.85)

< 0.001

Full-course supervision

14,512 (97.78)

615 (4.24)

1

 

1

 

Full-course management

122 (0.82)

50 (40.98)

15.69(10.84, 22.71)

< 0.001

16.45 (11.17, 24.22)

< 0.001

Supervision in intensive phase

200 (1.35)

68 (34.00)

11.64(8.59, 15.77)

< 0.001

10.86 (7.91, 14.91)

< 0.001

X-Ray

Normal

286 (1.93)

1 (0.35)

0.07(0.01, 0.47)

0.007

0.09 (0.01, 0.63)

0.016

Abnormal

14,447 (97.34)

726 (5.03)

1

 

1

 

Unchecked

109 (0.73)

12 (11.01)

2.34(1.28, 4.28)

0.006

2. 70 (1.41, 5.16)

0.003

Cavity

Yes

2527 (17.03)

154 (6.09)

1.30 (1.08, 1.56)

0.005

1.42 (1.18, 1.73)

< 0.001

No

12,315 (82.97)

585 (4.75)

1

 

1

 

Miliary

Yes

99 (0.67)

14 (14.14)

3.18 (1.80, 5.63)

< 0.001

3.39 (1.87, 6.13)

< 0.001

No

14,743 (99.33)

725 (4.92)

1

 

1

 

Regimen

Regimen 1a

12,470 (84.02)

610 (4.89)

1

   

Regimen 2b

2372 (15.98)

129 (5.44)

1.12 (0.92, 1.36)

0.26

  

Total delay

≤17

3965 (26.71)

181 (4.56)

1

   

17~ 33

3632 (24.47)

173 (4.76)

1.05 (0.85, 1.29)

0.68

  

33~ 66

3594 (24.22)

164 (4.56)

1.00 (0.81, 1.24)

> 0.99

  

> 66

3651 (24.60)

221 (6.05)

1.35 (1.10, 1.65)

0.004

  
  1. a2H3R3Z3E3/4H3R3. R = rifampicin; H = isoniazid; Z = pyrazinamide; E = ethambutol. It means once-every-other-day HRZE for 2 months followed by 4 months of once-every-other-day HR
  2. b2HRZE/4HR. It means daily HRZE for 2 months followed by 4 months of daily HR