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Table 5 Linear Regression model to predict hemoglobin concentration according the iron metabolism parameter iron in blood (μg/dl), transferrin (mg/dl), ferritin (ng/ml) in all participants (n = 99) such as the participants without (n = 70) and with (n = 29) anemia

From: Effects of an enhanced iron dense foods offering in the daily meals served in geriatric institutions on measures of iron deficiency anemia

All patients

Coefficient beta

95% CI

p-value

Iron in blood

0.358

0.009–0.028

0.000*

Transferrin

0.180

−0.001 – 0.011

0.119

Ferritin

0.191

0.000–0.004

0.099

Without anemia

   

Iron in blood

0.151

−0-003 – 0.014

0.201

Transferrin

0.243

−0.001 – 0.013

0.092

Ferritin

0.314

0.000–0.004

0.032*

With anemia

   

Iron in blood

0.085

−0.013 – 0.020

0.673

Transferrin

−0.448

−0.011 – 0.001

0.092

Ferritin

−0.489

−0.006 – 0.000

0.048*

  1. Significance* = p < 0.05; Coefficient beta = the negative sign indicated a negative effect of the independent variable on hemoglobin concentration
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BMC Geriatrics

ISSN: 1471-2318

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