Table 1 Clinical and demographic characteristics of patients and low-risk subjects.

From: Evaluation of QuantiFERON-TB Gold Plus for Detection of Mycobacterium tuberculosis infection in Japan

 

Patients (n = 162)

Low-risk subjects (n = 212)

p value

Age (y), median (IQR)

59 (39–70)

20 (19–21)

p < 0.001*

Male, n (%)

129 (79.6%)

105 (49.5%)

p < 0.001**

Smear results (n)

positive (138)

NA

NA

negative (24)

Type of TB (n)

Pulmonary TB (162)

NA

NA

Tuberculosis pleurisy (5)

Tracheobronchial TB (4)

Miliary TB (2)

Laryngeal TB (2)

Concomitant Drugs (n)

Anticonvulsant (3)

NA

NA

Corticosteroid (5)

Immunosuppressant and Corticosteroid (1)

Corticosteroid and Cancer Chemotherapy (1)

Monoclonal Antibody (0)

History of BCG vaccine (n)

Unknown

yes (187)

NA

uncertain (25)

  1. *Mann-Whitney U-test.
  2. **Chi-square test.
  3. Low-risk subjects refer to the subjects with a low risk of M.tb infection. Data of age are expressed as the median (IQR). P values refer to the significance of differences in age and proportion of gender between the TB patients and low-risk subjects. QFT-GIT: QuantiFERON-TB Gold In-Tube; TB: tuberculosis; BCG: Bacillus Calmette-Guérin; IQR: interquartile range; NA: not applicable.