Table 2—

Distribution frequency of the Gly972Arg polymorphism of the IRS-1 gene in different birth weight categories

Birth weight category (g)
2,500–3,0003,000–3,5003,500–4,000>4,000
Gly/Gly73.7 (28/38)87.1 (81/93)94.1 (48/51)91.7 (11/12)
Gly/Arg or Arg/Arg26.3 (10/38)*12.9 (12/93)5.9 (3/51)8.3 (1/12)
  • Data are percnt; (n).

  • *

    * P=0.04, χ2 test.