TABLE 1.

Basic information for serum donors

GroupnNo. of malesNo. of femalesAges (yr)Intensive care unitTime (days)ComplicationsNo. of deaths
RangeMean
Control2081221-4934.8
SARS30191117-8044.1No3-6No0
Severve SARS3021919-8645.4Yes3-7No4
Convalescent SARS30151514-6835.3No35-42No0