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Table 2 Circulating levels of adiponectin, leptin and insulin in AGA, symmetrical and asymmetrical SGA at birth, 1, 6 and 12 months of life.

From: Role of adiponectin and leptin on body development in infants during the first year of life

AGA Birth 1 month 6 months 12 months
Adiponectin (μg/ml) 46.7 ± 11.5#* 77.32 ± 24.95# 43.31 ± 20.94 38.56 ± 13.86
Leptin (ng/ml) 2.12 ± 4.08* 3.18 ± 1.64# 2.97 ± 1.76 1.31 ± 0.83
Insulin (μUI/ml) 2.53 ± 1.58*# 7.75 ± 5.61 7.94 ± 7.06 8.66 ± 6.52
SGA     
Adiponectin (μg/ml) 47.74 ± 11.38 75.71 ± 20.75 53.75 ± 18.71 35.51 ± 8.76
Leptin (ng/ml) 0.88 ± 1.04§ 4.49 ± 5.99 4.36 ± 1.69§ 1.74 ± 0.96
Insulin (μUI/ml) 8.92 ± 6.05 8.92 ± 6.05 7.17 ± 6.44 8.13 ± 7.67
Symmetrical SGA     
Adiponectin (μg/ml) 49.03 ± 9.93* 79.78 ± 25.29# 44.42 ± 15.75 33.68 ± 9.17
Leptin (ng/ml) 0.62 ± 0.37* 6.58 ± 8.06 4.67 ± 1.34 2.17 ± 1.29
Insulin (μUI/ml) 2.07 ± 1.97* 8.96 ± 5.55 6.83 ± 3.22 10.0 ± 8.8
Asymmetrical SGA     
Adiponectin (μg/ml) 46.73 ± 12.89* 71.64 ± 15.42# 64.65 ± 16.68§ 36.82 ± 8.93
Leptin (ng/ml) 1.1 ± 1.4 2.4 ± 1.6 4.0 ± 2.1# 1.4 ± 0.56
Insulin (μUI/ml) 3.17 ± 2.67* 8.89 ± 6.77 7.51 ± 8.91 5.43 ± 3.37
  1. § p < 0.05 versus AGA at corresponding time (Mann-Whitney U test)
  2. # p < 0.01 versus 12 months of the same group (Wilcoxon test)
  3. * p < 0.001 versus 1 month of the same group (Wilcoxon test)