Skip to main content

Table 1 Characteristics of neutropenia associated with levamisole tainted cocaine (NATC) cases in Alberta and British Columbia, January 2008 -- March 2009

From: Levamisole tainted cocaine causing severe neutropenia in Alberta and British Columbia

Characteristic: Alberta British Columbia Total
No. of NATC cases 23   19   42  
Confirmed (%) 10 (43) 6 (32) 16 (38)
Probable (%) 13 (57) 13 (68) 26 (62)
No. of NATC episodes 43   45   88  
Mean age, years (range, years) 39 (18-52) 36 (22-63) 37 (18-63)
Gender       
Males (%) 9 (39) 6 (32) 15 (36)
Females (%) 14 (61) 13 (68) 27 (64)
Type of cocaine exposure       
Crack (%) 13 (57) 11 (58) 24 (57)
Powder (%) 0 (0) 2 (11) 2 (5)
Both (%) 0 (0) 1 (5) 1 (2)
Unknown 10 (43) 5 (26) 15 (36)
Route of cocaine exposure**       
Smoke (%) 8 (35) 10 (53) 18 (43)
Snort (%) 0 (0) 7 (37) 7 (17)
Inject (%) 0 (0) 1 (5) 1 (2)
UNKNOWN (%) 15 (65) 2 (11) 17 (40)
No. of NATC cases with repeated neutropenia episodes (range, No. of episodes) 8 (2-7) 10 (2-8) 18 (2-8)
No. of NATC cases that had bone marrow biopsies (%) 8 (35) 7 (37) 15 (36)
  1. * Testing information was not reported for all cases.
  2. ** Some NATC cases reporting using cocaine by more than one method. As such, the sum of the percentages will not equal 100.