Table 2

Intradermal skin test results using B. bassiana extract

Patient ID

Histamine control¹ (0.1 mg/ml)

B. bassiana Extract (1 mg/ml)

B. bassiana/Histamine

Induration²

Erythema²

Induration²

Erythema²

Induration ratio³

J^4,5

7 × 6

12 × 16

8 × 8

12 × 13

0.65

K^4,5

20 × 15

55 × 50

13 × 12

14 × 13

0.52

L^4,5

11 × 10

16 × 33

13 × 14

26 × 28

1.65

M^4,5

15 × 16

36 × 44

10 × 12

10 × 12

0.30

N

16 × 14

38 × 58

10 × 11

21 × 17

0.49

O

21 × 16

39 × 59

9 × 8

18 × 21

0.21

P

15 × 17

44 × 45

5 × 4

5 × 4

0.08

Q

15 × 14

36 × 38

9 × 12

10 × 13

0.51

R

15 × 15

55 × 38

4 × 4

11 × 13

0.07

S⁴

20 × 19

38 × 43

4 × 4

4 × 4

0.04

¹In all instances saline control injections produced indurations of 3–4 mm × 3–4 mm.

²Values recorded in mm × mm.

³Induration ratio expressed as B. bassiana reaction area (mm²)/histamine reaction area (mm²).

⁴Individual with occupational exposure to Beauveria bassiana.

⁵See Western Blot results for individual, Fig. 2.

Westwood et al. Clinical and Molecular Allergy 2005 3:1   doi:10.1186/1476-7961-3-1