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Table 1 Inclusion and exclusion criteria

From: Immediate versus delayed surgery for hip fractures in the elderly patients: a protocol for a systematic review and meta-analysis

Category Criteria
Inclusion Exclusion
Population • Adult (60 years or older) patients undergoing surgery for acute intra- or extracapsular hip fracture • Adults under the age of 60 years
• Patients undergoing surgery for reasons other than intra- or extracapsular hip fractures
• Patients with hip fractures not related to an acute trauma
• Patients with pathological fractures
• Patients with periprosthetic fractures
Geography • No limitation • No limitation
Date of search • Searches will go back to 1997  
Interventions • Early surgery for hip fracture. We will use the definition for “early” as defined by authors in the primary study. • We will exclude studies that do not compare timing of surgery
Control interventions • Delayed surgery for hip fracture. We will include all categories of “delayed” as defined by authors in the primary study. • We will exclude studies that do not compare timing of surgery
Outcomes • All-cause mortality
- Short term: at 1 month
- Medium term: at 6 months
- Long term: at 12 months
• Severe perioperative complications
- Pulmonary embolism
- Pneumonia
- Deep vein thrombosis
- Others
• Other perioperative complications
- Urinary tract infection
- Pressure ulcer
- Others
• Functional capacity
• Quality of life (e.g., assessed with SF36)
• Studies that do not include at least one of the outcomes listed under the inclusion criteria
Publication language • English, German • All other languages
Study design • Original research
• Eligible study designs include:
- RCTs
- Prospective controlled cohort studies
• Case series
• Case reports
• Retrospective controlled cohort studies
• Case-control studies
• Studies without a control group
Publication type Any publication reporting primary data • Publications not reporting primary data
• Publications available as abstract only