Fig. 1

The PRISMA flow chart. This flow diagram demonstrates the search strategy and exclusion or inclusion criteria. Criteria included english language, year: from 1902 to January 31, 2020, primary arthroplasty, inflammatory blood parameters and preoperative and/or postoperative measure of these parameters, and minimum follow-up for of 30 days. All results that not included complications, prognostic factors (inflammatory blood parameters), short follow-up, no preoperative measurement were excluded. For more information see previously published protocol [15]