Mycoplasma pneumoniae Seroprevalence and Total IgE Levels in Patients with Juvenile Idiopathic Arthritis

Table 2

Mycoplasma pneumoniae serology and total serum IgE levels in the study population and groups.

	Group 1 (rheumatic JIA)	Group 2 (rheumatic non-JIA)	Group 3 (non-rheumatic)	Total (all patients)
MP serology
-IgG titer (OD coeff.)
-IgM titer (OD coeff.)
Positive MP serology	18	4	5	27
-IgG titer (OD coeff.)
-IgM titer (OD coeff)
Negative MP serology	67	23	22	112
Serum IgE level
Total IgE (IU/ml)
IgE ratio
Total IgE (IU/ml)
IgE ratio

Abbreviations: MP: Mycoplasma pneumoniae; OD coeff.: optical density coefficient; JIA: juvenile idiopathic arthritis. Total IgE and IgE ratio, after exclusion of the “outliers,” as explained in the manuscript.