Variable  | 
        Mean    (SD)  | 
        No    of patients  | 
        (%)  | 
      
      
        Age    range  | 
        6-75  | 
           | 
           | 
      
      
        Age    (year)   | 
      
      
        Total    mean age (SD) 
          Mean    age group with  systemic reactions 
          Mean    age group without systemic reactions  | 
        33    (15) 
          34(15.1) 
          33    (14.8)  | 
           | 
           | 
      
      
        Allergen    positive (mean ± SD) 
          Total 
          systemic    reactions positive 
          systemic    reactions negative  | 
          
            4    (2.5) 
              7.6    (3) 
          3.5    (2)  | 
           | 
           | 
      
      
        No.    injection 
          Total 
          systemic    reactions positive 
          systemic    reactions  negative  | 
          
            58.4    (45.7) 
              82.4    (63.6) 
          55.2    (41.8)  | 
           | 
           | 
      
      
        Sensitization 
          Mono 
          Poly  | 
           | 
          
            69  
          624   | 
          
            10 
          90  | 
      
      
        Medical    history 
          Allergic    rhinitis and/or 
          Conjunctivitis    and/or 
          Asthma   | 
           | 
          
            596  
              409 
          235  | 
          
            86 
              59 
          34  | 
      
      
        Gender 
          Male 
          Female   | 
           | 
          
            291 
          402  | 
          
            42 
          58  |