Birth weight | Controls | CNS tumors | OR | 95%CI | P value | |
---|---|---|---|---|---|---|
Lower | Upper | |||||
Total subjects | ||||||
 SGA | 189 | 15 | 0.9 | 0.4 | 1.7 | 0.643 |
 AGA | 566 | 48 | 1 | Reference |  | |
 LGA | 63 | 9 | 1.8 | 0.8 | 3.9 | 0.163 |
 |  |  |  |  |  | P for homogeneity = 0.307 |
Birth weight 2500Â g or larger | ||||||
 SGA | 177 | 12 | 0.8 | 0.4 | 1.6 | 0.494 |
 AGA | 544 | 44 | 1 | Reference |  | |
 LGA | 63 | 9 | 2.0 | 0.9 | 4.5 | 0.101 |
 |  |  |  |  |  | P for homogeneity = 0.173 |
Birth weight 3000Â g or larger | ||||||
 SGA | 97 | 9 | 1.2 | 0.5 | 3.1 | 0.672 |
 AGA | 497 | 40 | 1 | Reference |  | |
 LGA | 63 | 9 | 2.0 | 0.9 | 4.4 | 0.113 |
 |  |  |  |  |  | P for homogeneity = 0.279 |