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Table 1 MP infection diagnosed by PCR and serology in 164 patients with respiratory tract infection.

From: Polymerase chain reaction is superior to serology for the diagnosis of acute Mycoplasma pneumoniae infection and reveals a high rate of persistent infection

Pcr reaction Patients with paired sera Patients with single sera Total serum results Patients without sera Total
  Ser+* Ser-** Ser+*** Ser-** Ser+* Ser-**   
PCR+ 25 2 16 0 41 2 2 45
PCR- 2 67 1 41 3 108 8 119
Total 27 69 17 41 44 110 10 164
  1. * = IgM+ or IgG seroconversion
  2. ** = IgM- and IgG-
  3. *** = IgM+