Table 3

Correlation between C pneumoniae serological findings and PCR results on PBMCs in 141 patients with mild to moderate chronic bronchitis (stage 2)

IgG ≥1:16IgG ≥1:16 + IgA ≥1:16Negative
C pneumoniae PCR +ve (n=61)17 (28%)37 (61%)7 (11%)
C pneumoniae PCR –ve (n=80)32 (40%)28 (35%)20 (25%)