ABSTRACT
Objective To observe the efficiency of immunotherapy on allergic rhinitis and explore irs correla- tive factors.Methods 185 patients with AR were treated with immunotherapy in this department between 1993 and 2003.Specific allergens were selected through skin test.The patients were given subcutaneous injections with al- lergen extract produced by Xiehe Hospital.The doses were gradually increased to the maintenance dose.The clinical effectiveness evaluation based on the symptoms and signs before and after immunotherapy was judged as marked, moderated and poor response.The possihie factors which affected the efficacy of immunotherapy were selected.These factors included sex,age,illness duration,disease condition,chronic sinusitis,asthma,duration of immunotherapy and reaction condition of the skin test.The correlative factors with efficacy were sifted with multifactorial stepwise re- gression analysis.Results The marked,moderated and poor responses were 22.9 %,51.7 %,and 25.4 % respective- ly.The efficacy of immunotherapy correlated well with the duration of immunotherapy(P