Skip to main content

Table 2 Analyses of temporal clustering of neuroblastic tumours at ages 0-19 years

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

−0.07 (0.11) P = 0.714

− 0.11 (0.06) P = 0.973

− 0.06 (0.05) P = 0.881

− 0.01 (0.05) P = 0.535

Between months

 

− 0.13 (0.10) P = 0.910

− 0.07 (0.08) P = 0.812

0.04 (0.07) P = 0.259

Between quarters

  

0.14 (0.15) P = 0.17

0.41 (0.13) P = 0.002

Between years

   

1.05 (0.25) P = 0.005

  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]