Table 2 Dosage of patients starting on allopurinol depending on the specialty of the index prescriber
First prescription from non-specialist (n = 8978)First prescription from specialist (n = 523)
Starting dosage:
    <100 mg42 (0.5)12 (2)
    100–199 mg3745 (42)254 (49)
    200–299 mg1112 (12)89 (17)
    300–399 mg3974 (44)160 (31)
    400+ mg105 (1)8 (2)
Maximum dosage:
    <100 mg16 (0.2)1 (0.2)
    100–199 mg2834 (32)179 (34)
    200–299 mg1173 (13)98 (19)
    300–399 mg4659 (52)221 (42)
    400+ mg296 (3)24 (5)
  • The mean duration of a given prescription is 29 days with a median of 30 days.

  • Values are n (%); the total may not add to 100% due to rounding.