Difference in Antibody Responses to Mycobacterium tuberculosis Antigens in Japanese Tuberculosis Patients Infected with the Beijing/Non-Beijing Genotype
Table 1
Clinical characteristics.
Non-Beijing
Beijing
p value
Demographics
Males, n (%)
14 (87.5%)
14 (70.0%)
n.s.
Age [y, mean (%)]
50.7
60.2
n.s.
Mycobacterial identification
AFB-positive strains, n (%)
13 (81.2%)
17 (85.0%)
n.s.
Time to growth in MGIT (weeks)
7.43
8.20
n.s.
Drug resistance profile
Isoniazid-resistant strain
0
3 (15%)
n.s.
MDR strain
2 (12.5%)
0
n.s.
Laboratory findings
CRP (mg/mL)
n.s.
Blood IgG (mg/mL)
17.67
16.12
n.s.
Blood IgA (mg/mL)
3.83
3.99
n.s.
Chest radiograph findings
Cavity, positive (%)
4 (26.7%)
9 (45.0%)
n.s.
Pleural effusion, positive (%)
3 (20.0%)
5 (25.0%)
n.s.
STD, standard deviation; MDR, multidrug resistance, as resistant to rifampin and isoniazid in this study; CRP, C-reactive protein.