Fig. 2
The comparison of pulmonary function between specific immunoglobulin E. (IgE)-positive and specific IgE-negative patients with chronic obstructive pulmonary disease. Specific IgE levels were judged as positive when the class was equal to or greater than 1. P < 0.05* between specific IgE positive and specific IgE-negative group. Ca Candida, Co cockroach, DP Dermatophagoides pteronyssinus, DLco/VA diffusion capacity of carbon monoxide/alveolar volume, FEV1 forced expiratory volume in 1 s, HD house dust, JC Japanese cedar, Mo moth, RV residual volume