Fig. 3From: The impact of adjuvant surgical treatment of nontuberculous mycobacterial pulmonary disease on prognosis and outcomeLevels of GPL core serum IgA antibody before and after surgery. Overall levels (a) and (b) individual patient levels of GPL core serum IgA antibody in the refractory/recurrent and recurrence-free subgroups. All results are expressed as individual data before and after surgery. P values were calculated using the Friedman matched-pair test with Benjamini, Krieger and Yekutieli’s two-stage correctionBack to article page