Table 3 The single factor Logistic regression analysis results of the reasons for recurrent complex spinal tuberculosis accompanied with sinus tract formation.

From: Recurrent complex spinal tuberculosis accompanied by sinus tract formation: causes of recurrence and clinical treatments

Risk factor

Regression coefficients

Standard errors

Chi-square value

Degree of freedom

p-value

95% confidence interval

Lower

Upper

Gender

0.121

0.531

0.059

1

0.823

0.410

3.211

Age (yrs.)

0.281

0.279

1.488

1

0.314

0.819

2.311

Existence of drug-resistant mycobacterium tuberculosis

2.915

0.521

27.455

1

0.000

6.112

40.987

Postoperative standard chemotherapy

2.541

0.544

22.784

1

0.000

4.789

37.787

Completeness of lesion debridement

2.478

0.532

20.246

1

0.000

4.012

34.578

Reconstruction of the spinal stability

1.354

0.490

4.578

1

0.018

1.079

11.778

Nutritional status

1.641

0.569

7.968

1

0.002

1.675

16.898

Accompaniment by tuberculosis in other organs

1.578

0.543

8.010

1

0.004

1.578

13.451

Timing of operation

1.247

0.566

4.830

1

0.035

1.105

10.189

Segments of lesion

0.487

0.575

0.873

1

0.401

0.174

1.879

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