Table 3. Type of allergic reaction according to modified checklist of Salden ^*.

Type of reaction	Total (n = 300)
Immediate type reaction probable	0% (0)
Immediate type reaction possible	2.0% (6)
Delayed type reaction probable	0% (0)
Delayed type reaction possible	18.3% (55)
No distinction possible between immediate or delayed reaction	9% (27)
No allergic reaction	14.3% (43)
Type of reaction could not be determined	56.3% (169)

*Information in registrations was compared to modified checklist of Salden, see S1 Table for details.