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Table 4 The association between gestational age and the risks of CNS tumors and leukemia

From: The association between high birth weight and the risks of childhood CNS tumors and leukemia: an analysis of a US case-control study in an epidemiological database

Gestational age Controls Cases OR 95%CI P value
Lower Upper
For the analysis of CNS tumor risk  
  < 37 weeks 54 9 1.5 0.6 3.9 0.405
 37–39 weeks 331 38 1 Reference  
 40–41 weeks 366 20 0.3 0.2 0.6 <0.001
  > 41 weeks 71 5 0.4 0.1 1.0 0.048
       P for trend = 0.001
For the analysis of Leukemia risk
  < 37 weeks 54 6 0.9 0.3 2.4 0.842
 37–39 weeks 331 51 1 Reference   
 40–41 weeks 366 52 0.7 0.5 1.2 0.175
  > 41 weeks 71 15 1.2 0.6 2.3 0.659
       P for trend = 0.930
  1. ORs and corresponding 95%CIs and p values were adjusted for sex, ethnicity, year of birth, age at diagnosis, maternal age, birth weight (5-category variable) and DOE sites