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Table 5 Analyses of temporal clustering of neuroblastic tumours at ages 0-19 years for males

From: Temporal clustering of neuroblastic tumours in children and young adults from Ontario, Canada

Type of analysis 1 (SE)
One-sided p value
Within months Within quarters Within years Within full period
Between fortnights 0.18 (0.16) p = 0.411 −0.02 (0.07) p = 0.610 −0.03 (0.05) p = 0.717 − 0.04 (0.05) p = 0.773
Between months   −0.16 (0.11) p = 0.925 −0.15 (0.08) p = 0.975 − 0.15 (0.07) p = 0.985
Between quarters    0.17 (0.15) p = 0.874 −0.14 (0.13) p = 0.859
Between years     −0.12 (0.27) p = 0.652
  1. 1 ^β is the one-step estimate of β, the extra-Poisson variation, calculated in the same way as originally described by Muirhead [16]