Fig. 2.
IL-8 (a), GM-CSF (b), IL-18 (c) and IL-6 (d) levels in urine are shown for patients of the series before the first instillation of MAK (pre-MAK), and in urine voided after MAK instillations number 1, 3 and 6. The horizontal line represents the mean values. * Analysed by sign test.