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Table 1 Frequency of neutrophil measurements during clozapine treatment

From: Neutropenia and agranulocytosis during treatment of schizophrenia with clozapine versus other antipsychotics: an observational study in Iceland

Measurements n %
First 18 weeks (n = 83)
 Weekly 12 14.5
 Every 1–2 weeks 22 26.5
 Every 2–3 weeks 15 18.1
 Every 3–4 weeks 6 7.2
 Every 4–5 weeks 6 7.2
 Less than every 5 weeks 22 26.5
After 18 weeks (n = 160)
 Monthly 6 3.8
 Every 1–2 months 33 20.6
 Every 2–3 months 25 15.0
 Every 3–6 months 31 19.4
 Every 6-12months 37 21.3
 Less than every year 31 20.0