Table 1 Comparisons of clinical characteristics of patients with PTB and CAP.

From: The utility of delta neutrophil index in differentiation of pulmonary tuberculosis from community acquired pneumonia

Characteristics

PTB (n = 62)

CAP (n = 215)

P-value

Age (year)

52 (37–71)

60 (42–75)

0.068

Gender (male)

39 (63)

111 (52)

0.148

Never smoker

38 (61)

153 (71)

0.026

Underlying pulmonary disease

   Chronic obstructive pulmonary disease

2 (3)

23 (11)

0.080

   Asthma

11 (5)

NA

   Previous PTB

10 (16)

16 (7)

0.048

   Bronchiectasis

2 (3)

7 (3)

0.999

   Lung cancer

1 (2)

5 (2.3)

0.999

Underlying extra-pulmonary disease

   Heart failure/angina

4 (7)

23 (11)

0.466

   Hypertension

11 (18)

56 (26)

0.238

   Diabetes mellitus

11 (18)

24 (11)

0.193

   Systemic lupus erythematosus

1 (2)

NA

   Cerebrovascular accident

2 (3)

8 (4)

0.999

   Viral hepatitis

2 (1)

NA

   Chronic alcoholics

2 (3)

2 (1)

0.217

Presenting symptoms or signs

   Cough

34 (55)

159 (74)

0.005

   Sputum

14 (23)

129 (60)

<0.001

   Fever (≥38.3 °C)

8 (13)

117 (54)

<0.001

   Hemoptysis

5 (8)

2 (1)

0.007

   Dyspnea (≥mMRC scale II)

12 (19)

49 (23)

0.607

Pneumonia severity index ≥ class III

23 (37)

73 (34)

0.652

Sputum AFB smear positive

27 (44)

NA

  1. Data are shown as median (interquartile range) or number (%). AFB acid fast bacillus; CAP community acquired pneumonia; mMRC modified medical research council; PTB pulmonary tuberculosis; NA not applicable; negative.