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. 2018 Apr 3;119(11):1207–1219. doi: 10.1017/S0007114518000612

Fig. 2.

Fig. 2

Change in calcium absorption with increasing exogenous phytase intake (ExPhyt) at three different levels of total calcium intake (TCa), to illustrate the interaction between TCa and ExPhyt identified in the final linear mixed effects regression model for calcium absorption. At higher TCa (Inline graphic: TCa set to its mean+sd from the data set), calcium absorption remains relatively unchanged with increasing ExPhyt. At lower TCa (Inline graphic: TCa set to its mean value from the data set; Inline graphic: TCa set to its mean−sd from the data set), calcium absorption increases with increasing ExPhyt. The remaining variables (non-phytate-P intake and phytate-P intake) were fixed and set to their mean values from the data set. BW, body weight.