Table 1:Characteristics of ulcerative colitis cases associated with leukocyte apheresis.

Characteristics
No. of patients 15
Male/Female 8/7
Age (years), average (range) 34.9 (11-74)
Site of inflammation
  Pancolitis 11
  Left sided colitis 3
  Proctitis 1
Severity of inflammation
  Severe 13
  Moderate 2
CMV infection (CMV-C7)
  Positive 1
  Negative 10
  Not assessed 4
CVC for IA
  Yes (single lumen, 16 G) 7
  No 8
Frequency of LA, average (range) 8.13 (2-10)
Efficiency of LA
  Good 11
  Not enough 2
  Intermittent 2

CMV-C7: Cytomegalovirus antigen C7, CVC for IA central vein catheter for intravenous alimentation, LA: Leukocyte Apheresis.