Predictive value of traction force measurement in vacuum extraction: Development of a multivariate prognostic model

• Kristina Pettersson ,

  * E-mail: kristina.a.pettersson@karolinska.se

  Affiliations Obstetrics and gynecology, Karolinska University Hospital, Stockholm, Sweden, Clintec, Karolinska Institute, Stockholm, Sweden

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• Khurram Yousaf,

  Affiliations Clintec, Karolinska Institute, Stockholm, Sweden, School of Technology and Health, Royal Institute of Technology, Stockholm, Sweden

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• Jonas Ranstam,

  Affiliation Statistician, Swedish Patient Insurance, Stockholm, Sweden

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• Magnus Westgren,

  Affiliations Obstetrics and gynecology, Karolinska University Hospital, Stockholm, Sweden, Clintec, Karolinska Institute, Stockholm, Sweden

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• Gunilla Ajne

  Affiliations Obstetrics and gynecology, Karolinska University Hospital, Stockholm, Sweden, Clintec, Karolinska Institute, Stockholm, Sweden

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