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Table 3 The results of bivariate analysis relating each of the 16 signs and symptoms and the results of the GeneXpert MTB/RIF, showing the OR, 95% CI, and p-value, estimated from an elderly population (n = 302)

From: Simple tuberculosis screening tool using signs, symptoms, and risk factors to reduce the missed opportunity in the older population

Independent variables

OR

95% CI

p

AUC

Sensitivity (%)

Specificity (%)

Lower limit

Upper limit

Cough

4.01

1.19

21.06

0.016

0.55

96.15

13.84

Hemoptysis

2.79

1.15

6.62

0.009

0.55

16.67

93.30

Dyspnea

1.79

1.01

3.28

0.037

0.57

70.51

42.86

Chest pain

1.68

1.01

2.82

0.049

0.56

52.56

60.27

Chest tightness

1.82

1.04

3.22

0.027

0.57

64.10

50.45

Night sweat

1.69

1.01

2.84

0.047

0.56

51.28

61.61

Loss of appetite

1.75

1.01

3.01

0.043

0.56

38.46

73.66

Weight loss

2.00

1.13

3.58

0.011

0.58

66.67

50.00

Insomnia

1.80

1.01

3.22

0.032

0.57

66.67

47.32

Low activity

1.86

1.01

3.47

0.048

0.55

25.64

84.38

Fatigue

1.74

1.01

2.99

0.046

0.57

67.95

45.09

Smoking

1.69

1.01

2.85

0.049

0.57

58.97

54.02

Alcohol consumption

4.15

1.21

14.96

0.006

0.54

10.26

97.32

Comorbidity

1.84

1.06

3.20

0.021

0.58

53.85

61.16

TB Contact

4.32

1.13

17.72

0.009

0.53

89.7

97.77

History of TB treatment

2.32

1.09

4.84

0.014

0.56

21.79

89.29