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Table 2 Clinical characteristics of children with the periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis syndrome (PFAPA) and children with pneumonia

From: Elevated levels of CXCL10 in the Periodic Fever, Aphthous stomatitis, Pharyngitis and cervical Adenitis syndrome (PFAPA) during and between febrile episodes; an indication of a persistent activation of the innate immune system

  PFAPA (n = 22) Pneumonia (n = 14) p-values
Gender (boys / girls) 14 / 8 7 / 7 0.418
Age at time of sampling (months) † 36.5 (23.8, 62.6) 34.1 (17.5, 51.1) 0.860
Duration of fever at time of sampling (hours) 14.0 (11.5, 16.5)‡ 96.0 (60.0, 135) <0.001
Age of onset (months) 9.5 (4.3, 12.0)   
Duration of febrile episodes (days) 3.8 (3.0, 5.0)   
  1. Results are given as median (quartiles) except for gender.
  2. †Age at first sample in all children.
  3. ‡n = 14.