Table 2 Median serum antibody levels (range) against capsular polysaccharides of Mycobacterium tuberculosis (arabinomannan and glucan) according to TB class

IgM

IgA ^a

IgG ^a

IgM

IgA ^a

IgG

0

8.6

3.3

163

7.9

0.7

6.3

(2.98–21.7)

(1.05–11.1)

(11.5–262)

(1.4–21.0)

(0.01–2.6)

(0.12–38.5)

1

9.2

2.2

184

7.8

0.7

8.3

(1.5–45.7)

(1.0–10.1)

(81.4–4262)

(1.6–26.7)

(0.3–5.6)

(1.0–137)

2

7.1

8.2

271

10.9

1.2

19.2

(4.1–55.7)

(2.0–135)

(154–1222)

(1.0–18.4)

(0.6–5.3)

(2.2–48.4)

3

7.4

7.7

1181^b

5.5

3.3^b

23.3

(1.0–42.3)

(2.2–42.9)

(89.3–4227)

(1.9–32.7)

(1.5–38.5)

(3.2–464)

4

8.9

11.5^b

524^b

10.7

5.2^b

43.4

(3.1–30.5)

(3.1–24.6)

(189–1301)

(2.0–62.3)

(0.3–16.9)

(0.4–240)