TABLE 2.

C6 antibody titer response to treatment

OutcomeSingle-EM patients (n = 79)Multiple-EM patients (n = 26)Single- and multiple-EM patients (n = 105)
Frequencya%PFrequency%PFrequency%P
Negative follow-up titer5164.51142.36259.0
Declining follow-up titerb1924.11557.73432.4
Total7088.6<.000126100<.00019691.4<.0001
  • a Frequency is given in number of patients.

  • b Patients whose follow-up titer declined fourfold or more with respect to the baseline (or early-convalescent-phase titer when the baseline titer was negative).