Table 4: Allergic reactions to a field sting.

Group AGroup BGroup CTotal

Patients restung13101134
maintenance dose of Apis m. 96722
maintenance dose of Vespula spp. 44412
No local and systemic effects87823
Local large reaction*3328
Systemic anaphylactic reaction§1113
Grade I11
Grade II112
Grade III
Grade IV

*A large local reaction is defined as a swelling at the site of more than 10 cm lasting for more than 24 hours.
§A systemic anaphylactic reaction (SAR) was classified with modified classification of Müller [9].