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Table 1 Biochemical parameters in study population according to anemia and iron status

From: Association between iron status and thyroid function in Nepalese children

Variables Total Anemia status Iron status
Anemic Non-anemic P value Iron deficient Iron sufficient P value
N = 227 N = 80 N = 147 N = 99 N = 128
UIE (μg/L) 222 (121; 296) 225 (112.7; 303.5) 222 (125; 281) 0.788 228 (133; 307) 220 (119.5; 291) 0.428
Hemoglobin (gm/dl) 12.2 ± 1.9 10.3 ± 1.0 13.3 ± 1.3 <0.001 11.6 ± 1.8 12.7 ± 1.7 <0.001
Serum iron (μg/dl) 70.5 ± 35.4 55.4 ± 21.8 78.8 ± 38.6 <0.001 39.6 ± 12.9 94.4 ± 28.1 <0.001
TIBC (μg/dl) 382.8 ± 89.5 414.6 ± 81.5 365.4 ± 89.2 <0.001 433.2 ± 81.9 343.8 ± 74.8 <0.001
Transferrin saturation (%) 20.1 ± 12.6 14.2 ± 7.6 23.4 ± 13.6 <0.001 9.2 ± 2.5 28.6 ± 10.7 <0.001
Free T3 (pg/ml) 2.7 ± 0.8 2.6 ± 0.9 2.8 ± 0.7 0.13 2.6 ± 0.8 2.9 ± 0.7 0.003
Free T4 (ng/dl) 1.2 ± 0.4 1.2 ± 0.5 1.2 ± 0.4 0.526 1.2 ± 0.5 1.2 ± 0.4 0.531
TSH (mIU/L) 4.0 (2; 6) 5.0 (3; 8) 3.0 (2; 5) <0.001 4.0 (3; 7) 4.0 (2; 6) 0.05
  1. The data is expressed as mean ± SD except for UIE and TSH (expressed as median with IQR). P value was calculated at 95 % confidence interval