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Table 4 Factors associated with 5-year mortality rate among TB cases

From: Tuberculosis mortality and associated factors at King Abdulaziz Medical City Hospital

Variables

 

Univariate

  

Multivariate

P

HR

95% CI

P

aHR

95% CI

Lower

Upper

Lower

Upper

Age

0.001*

1.031

1.021

1.042

0.002*

1.024

1.009

1.039

Male

0.010*

1.697

1.132

2.542

0.010*

2.014

1.186

3.418

Saudi

0.296

0.681

0.332

1.4

0.282

0.599

0.235

1.525

Obesity

0.816

1.076

0.582

1.989

0.677

0.87

0.452

1.676

Smoke

0.579

0.776

0.316

1.904

0.912

1.055

0.41

2.712

Clinical features

 General

0.092

1.545

0.932

2.56

0.049*

1.913

1.004

3.644

 Systemic

0.248

0.802

0.552

1.166

0.234

0.747

0.462

1.208

 Respiratory

0.372

0.843

0.58

1.225

0.796

1.074

0.627

1.837

 Cavitations

0.093

0.558

0.282

1.103

0.064

0.441

0.186

1.049

Site of TB

0.396

1.176

0.809

1.71

0.744

1.093

0.641

1.861

Comorbidities

 Respiratory

0.023*

1.823

1.087

3.057

0.048*

1.898

1.005

3.582

 Other

0.001*

2.377

1.569

3.602

0.004*

2.346

1.313

4.192

 Cancer

0.001*

3.274

1.995

5.373

0.001*

3.292

1.804

6.006

 Immunocompromised

0.842

1.076

0.524

2.209

0.319

0.589

0.208

1.668

  1. *Wald chi-square test is significant α = 0.05. HR, hazard ratio; aHR, adjusted hazard ratio