Selection of primary health care quality indicators in Europe: A Delphi study protocol.

Objective: To describe a protocol to achieve consensus on valid and important indicators to assess primary health care (PHC) quality regarding all clinical contexts of PHC in European health systems.

Study Design: Qualitative study using the Delphi technique to gain consensus among European panels of experts comprising a heterogeneous professional background.

Methods: Potential candidate indicators were extracted and translated according to a set of informative elements (i.