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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

^β1 (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]