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Table 3 Multivariate logistic regression analysis of the association between variables in patients with pulmonary TB.

From: Impaired pulmonary function and associated factors in the elderly with tuberculosis on admission: a preliminary report

Variable

Regression coefficient

Standard error

P

aOR

95% CI

Grade

1

-4.239

1.663

6.499

   

2

-2.817

1.66

2.88

   

3

-1.56

1.656

0.888

   

4

-0.154

1.648

0.009

   

Albumin (g/L)

-0.075

0.03

0.013

0.928

0.875,0.984

Hemoglobin (g/L)

-0.008

0.008

0.369

0.992

0.976, 1.009

BMI (kg/m 2 )

< 18.5

1.603

0.804

0.046

4.968

1.028, 23.999

18.5–24

0.575

0.772

0.456

1.777

0.391, 8.069

24–28

1.139

0.824

0.167

3.124

0.621,15.721

 

≥ 28

–

–

–

1.000

–

 

Disease duration (years)

< 1

-0.548

0.327

0.094

0.578

0.305, 1.099

1–3

0.228

0.483

0.637

1.256

0.487, 3.238

 

≥ 3

–

–

–

1.000

–

 

Respiratory disease

     

 Yes

0.512

0.256

0.046

1.669

1.010, 2.759

 No

–

–

–

1.000

–

Lesions (≥ 3)

     

 Yes

1.442

0.345

< 0.001

4.229

2.149, 8.314

 No

–

–

–

1.000

–

Age (years)

60–69

-1.225

0.684

0.073

0.294

0.077, 1.122

70–79

-0.734

0.709

0.300

0.480

0.119, 1.927

 

80–90

–

–

–

1.000

–

 

Cardiovascular disease

     

 Yes

0.912

0.411

0.027

2.489

1.112, 5.573

 No

–

–

–

1.000

–

Male

0.812

0.312

0.009

2.252

1.221, 4.158

  1. aOR, adjusted odds ratio; CI, confidence interval; BMI, body mass index