Author Correction: Swedish intrauterine growth reference ranges of biometric measurements of fetal head, abdomen and femur

Lindström, Linda; Ageheim, Mårten; Axelsson, Ove; Hussain-Alkhateeb, Laith; Skalkidou, Alkistis; Bergman, Eva

doi:10.1038/s41598-021-98263-7

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Published: 10 September 2021

Author Correction: Swedish intrauterine growth reference ranges of biometric measurements of fetal head, abdomen and femur

Linda Lindström ORCID: orcid.org/0000-0003-4427-1075¹,
Mårten Ageheim¹,
Ove Axelsson^1,2,
Laith Hussain-Alkhateeb³,
Alkistis Skalkidou¹ &
…
Eva Bergman¹

Scientific Reports volume 11, Article number: 18439 (2021) Cite this article

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The Original Article was published on 31 December 2020

Correction to: Scientific Reports https://doi.org/10.1038/s41598-020-79797-8, published online 31 December 2020

The original version of this Article contained errors in the Equations.

In the Results section,

Mean and variance equation for BPD in males and females:

$$ E\left( {Z_{i} } \right) = - {2}.{53 } + \left[ {{2}.{\text{47 log}}\left( {{\text{GA}}_{{\text{i}}} } \right)} \right] + \left[ { - 0.0{\text{5 GA}}_{{\text{i}}}{^{{1}}} } \right] $$

$$ Var\left( {Zi} \right) = 0.0{8 } \, + \left[ {0.0{\text{2 log}}\left( {{\text{GA}}_{{\text{i}}} } \right)^{{2}} } \right] + \left[ { - 0.0{\text{8 log}}\left( {{\text{GA}}_{{\text{i}}} } \right)} \right] + \left[ {0.00{\text{3 GA}}_{{\text{i}}}{^{{1}}} } \right] + \left[ { - 0.000{\text{8 log}}\left( {{\text{GA}}_{{\text{i}}} } \right){\text{GA}}_{{\text{i}}}{^{{1}}} } \right] + \left[ {0.0000{\text{4 GA}}_{{\text{i}}}{^{{2}}} } \right] $$

Mean and variance equation for HC in males and females:

$$ E\left( {Zi} \right) = { 8}.{48 } \, + \left[ { - {14}.{\text{36 GA}}_{{\text{i}}}{^{{ - 0.{5}}}} } \right] + \left[ { - 0.000{\text{2 GA}}_{{\text{i}}}{^{{2}}} } \right] $$

$$ Var\left( {Zi} \right) = 0.0{2 } \, + \left[ {0.{\text{25 GA}}_{{\text{i}}}{^{{ - {1}}}} } \right] + \left[ { - 0.{\text{13 GA}}_{{\text{i}}}{^{{ - 0.{5}}}} } \right] + \left[ { - {8}.{\text{24e}}{ -} 0{\text{6 GA}}_{{\text{i}}}{^{{2}}} } \right] + \left[ {0.0000{\text{1 GA}}_{{\text{i}}}{^{{ - 0.{5}}}} {\text{GA}}_{{\text{i}}}{^{{2}}} } \right] + \left[ {{1}.{\text{43e}}{-} 0{\text{9 GA}}_{{\text{i}}}{^{{4}}} } \right] $$

Mean and variance equation for MAD in males and females:

$$ E\left( {Zi} \right) = { 6}.{71 } \, + [ - {43}.{\text{56GA}}_{{\text{i}}}{^{{ - {2}}}} \left] + \right[ - {12}.{\text{17GA}}_{{\text{i}}}{^{{ - 0.{5}}}} ] $$

$$ \begin{aligned} Var\left( {Zi} \right) &= 0.0{4} \, + \left[{627}.{\text{53GA}}_{{\text{i}}}{^{{ - {4}}}} \right] + \left[{9}.0{\text{6GA}}_{{\text{i}}}{^{{ - {2}}}} \right] + \left[ - 0.{5}0{\text{GA}}_{{\text{i}}}{^{{ - 0.{5}}}} \right] \\ &\quad + \left[ - {28}.{\text{44GA}}_{{\text{i}}}{^{{ - {2}}}} {\text{GA}}_{{\text{i}}}{^{{ - 0.{5}}}} \right] + \left[{1}.{\text{48GA}}_{{\text{i}}}{^{{ - {1}}}} \right] \end{aligned}$$

Mean and variance equation for AC in males and females:

$$ E(Z_{{\text{i}}} ) \, = { 7}.{8}0 \, + \left[ { - {5}0.0{\text{5 GA}}_{{\text{i}}}{^{{ - {2}}}} } \right] + \left[ { - {11}.{8}0{\text{ GA}}_{{\text{i}}}{^{{ - 0.{5}}}} } \right] $$

$$ Var(Z_{{\text{i}}} ) \, = 0.0{4 } \, + \left[ {{47}0.{\text{55 GA}}_{{\text{i}}}{^{{ - {4}}}} } \right] + \left[ {{6}.{\text{86 GA}}_{{\text{i}}}{^{{ - {2}}}} } \right] + \left[ { - 0.{\text{39 GA}}_{{\text{i}}}{^{{ - 0.{5}}}} } \right] + \left[ { - {21}.{4}0{\text{ GA}}_{{\text{i}}}{^{{ - {2}}}} {\text{GA}}_{{\text{i}}}{^{{ - 0.{5}}}} } \right] + \left[ {{1}.{\text{15 GA}}_{{\text{i}}}{^{{ - {1}}}} } \right] $$

Mean and variance equation for FL in males and females

$$ E(Z_{{\text{i}}} ) \, = { 4}.{11 } \, + \left[ { - {344}.{\text{24 GA}}_{{\text{i}}}{^{{ - {2}}}} } \right] + \left[ {0.0{\text{1 GA}}_{{\text{i}}}{^{{1}}} } \right] $$

$$ Var(Z_{{\text{i}}} ) \, = 0.0{1 } \, + \left[ {{584}.{\text{71 GA}}_{{\text{i}}}{^{{ - {4}}}} } \right] + \left[ { - {4}.{\text{46 GA}}_{{\text{i}}}{^{{ - {2}}}} } \right] + \left[ { - 0.000{\text{4 GA}}_{{\text{i}}}{^{{1}}} } \right] + \left[ {0.0{\text{5 GA}}_{{\text{i}}}{^{{ - {2}}}} {\text{GA}}_{{\text{i}}}{^{{1}}} } \right] + \left[ {{4}.{\text{83e}}{ - }0{\text{6 GA}}_{{\text{i}}}{^{{2}} }} \right] $$

now reads:

Mean and variance equation for BPD in males and females:

$$ E\left( {Z_{i} } \right) = - {2}.{53 } \, + \left[ {{2}.{\text{47 log}}\left( {{\text{GA}}_{{\text{i}}} } \right)} \right] + \left[ { - 0.0{\text{5 GA}}_{{\text{i}}}{^{{1}}} } \right] $$

$$ Var\left( {Zi} \right) = 0.0{8 } \, + \left[ {0.0{\text{2 log}}\left( {{\text{GA}}_{{\text{i}}} } \right){^{{2}}} } \right] + \left[ { - 0.0{\text{8 log}}\left( {{\text{GA}}_{{\text{i}}} } \right)} \right] + \left[ {0.00{\text{3 GA}}_{{\text{i}}}{^{{1}}} } \right] + \left[ { - 0.000{\text{2 log}}\left( {{\text{GA}}_{{\text{i}}} } \right){\text{GA}}_{{\text{i}}}{^{{1}}} } \right] + \left[ {0.0000{\text{4 GA}}_{{\text{i}}}{^{{2}}} } \right] $$

Mean and variance equation for HC in males and females:

$$ E\left( {Zi} \right) = { 8}.{48 } \, + \left[ { - {14}.{\text{36 GA}}_{{\text{i}}}{^{{ - 0.{5}}}} } \right] + \left[ { - 0.000{\text{2 GA}}_{{\text{i}}}{^{{2}}} } \right] $$

$$ Var\left( {Zi} \right) = 0.0{2 } \, + \left[ {0.{\text{25 GA}}_{{\text{i}}}{^{{ - {1}}}} } \right] + \left[ { - 0.{\text{13 GA}}_{{\text{i}}}{^{{ - 0.{5}}}} } \right] + \left[ { - {8}.{\text{24e}}{ -} 0{\text{6 GA}}_{{\text{i}}}{^{{2}}} } \right] + \left[ {0.0000{\text{3 GA}}_{{\text{i}}}{^{{ - 0.{5}}}} {\text{GA}}_{{\text{i}}}{^{{2}}} } \right] + \left[ {{1}.{\text{43e}} {-} 0{\text{9 GA}}_{{\text{i}}}{^{{4}}} } \right] $$

Mean and variance equation for MAD in males and females:

$$ E\left( {Zi} \right) = { 6}.{71 } \, + [ - {43}.{\text{56GA}}_{{\text{i}}}{^{{ - {2}}}} \left] + \right[ - {12}.{\text{17GA}}_{{\text{i}}}{^{{ - 0.{5}}}} ] $$

$$ \begin{aligned} Var\left( {Zi} \right) & = 0.0{4 } \, + \left[{627}.{\text{53GA}}_{{\text{i}}}{^{{ - {4}}}} \right] + \left[{9}.0{\text{6GA}}_{{\text{i}}}{^{{ - {2}}}} \right] + \left[ - 0.{5}0{\text{GA}}_{{\text{i}}}{^{{ - 0.{5}}}} \right] \\ &\quad + \left[ - {56}.{\text{88GA}}_{{\text{i}}}{^{{ - {2}}}} {\text{GA}}_{{\text{i}}}{^{{ - 0.{5}}}} \right] + \left[{1}.{\text{48GA}}_{{\text{i}}}{^{{ - {1}}}} \right] \end{aligned} $$

Mean and variance equation for AC in males and females:

$$ E(Z_{{\text{i}}} ) \, = { 7}.{8}0 \, + \left[ { - {5}0.0{\text{5 GA}}_{{\text{i}}}{^{{ - {2}}}} } \right] + \left[ { - {11}.{8}0{\text{ GA}}_{{\text{i}}}{^{{ - 0.{5}}}} } \right] $$

$$ Var(Z_{{\text{i}}} ) \, = 0.0{4 } \, + \left[ {{47}0.{\text{55 GA}}_{{\text{i}}}{^{{ - {4}}}} } \right] + \left[ {{6}.{\text{86 GA}}_{{\text{i}}}{^{{ - {2}}}} } \right] + \left[ { - 0.{\text{39 GA}}_{{\text{i}}}{^{{ - 0.{5}}}} } \right] + \left[ { - {42}.{8}0{\text{ GA}}_{{\text{i}}}{^{{ - {2}}}} {\text{GA}}_{{\text{i}}}{^{{ - 0.{5}}}} } \right] + \left[ {{1}.{\text{15 GA}}_{{\text{i}}}{^{{ - {1}}}} } \right] $$

Mean and variance equation for FL in males and females

$$ E(Z_{{\text{i}}} ) = {4}.{11} \, + \left[ { - {344}.{\text{24 GA}}_{{\text{i}}}{^{{ - {2}}}} } \right] + \left[ {0.0{\text{1 GA}}_{{\text{i}}}{^{{1}}} } \right] $$

$$ Var(Z_{{\text{i}}} ) \, = 0.0{1 } \, + \left[ {{584}.{\text{71 GA}}_{{\text{i}}}{^{{ - {4}}}} } \right] + \left[ { - {4}.{\text{46 GA}}_{{\text{i}}}{^{{ - {2}}}} } \right] + \left[ { - 0.000{\text{4 GA}}_{{\text{i}}}{^{{1}}} } \right] + \left[ {0.{1}0{\text{ GA}}_{{\text{i}}}{^{{ - {2}}}} {\text{GA}}_{{\text{i}}}{^{{1}}} } \right] + \left[ {{4}.{\text{83e}}{ -} 0{\text{6 GA}}_{{\text{i}}}{^{{2}}} } \right] $$

The original Article has been corrected.

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Authors and Affiliations

Department of Women’s and Children’s Health, Uppsala University, Uppsala, Sweden
Linda Lindström, Mårten Ageheim, Ove Axelsson, Alkistis Skalkidou & Eva Bergman
Centre for Clinical Research Sörmland, Uppsala University, Eskilstuna, Sweden
Ove Axelsson
Global Health, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
Laith Hussain-Alkhateeb

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Linda Lindström
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Mårten Ageheim
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Laith Hussain-Alkhateeb
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Alkistis Skalkidou
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Correspondence to Linda Lindström.

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Lindström, L., Ageheim, M., Axelsson, O. et al. Author Correction: Swedish intrauterine growth reference ranges of biometric measurements of fetal head, abdomen and femur. Sci Rep 11, 18439 (2021). https://doi.org/10.1038/s41598-021-98263-7

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Published: 10 September 2021
DOI: https://doi.org/10.1038/s41598-021-98263-7

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Author Correction: Swedish intrauterine growth reference ranges of biometric measurements of fetal head, abdomen and femur

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