Additional table 2: Records retrieved by individual search terms in Embase Generic Adverse Effects Terms in the Title Complications Adverse event Adverse events Risk Safe Generic Adverse Effects Terms in the Abstract Complications Complication Safety Adverse adj2 events (adverse swelling events) Risk Safe Adverse events Adverse effects Adverse reactions Safely Adverse event Risks Untoward effects Generic Adverse Effects Indexing Terms Postoperative complication Drug safety Risk Absence of side effects Chemically induced disorder Device safety Drug induced disease Patient safety Safety Unspecified side effect Subheadings Complication Adverse Drug Reaction Side effect Drug toxicity Embase Section Headings Adverse Reactions Titles Number of Embase records 6 (plus one duplicate) 1 1 1 1 Number of Embase records 17 (plus one duplicate) 10 (plus one duplicate) 10 8 (plus one duplicate) 8 7 (plus two duplicates) 7 (plus one duplicate) 2 2 2 1 1 1 Specific Adverse Effects Terms in the Title Airway obstruction Radiculitis Heterotopic bone formation Dysphagia Osteolysis Pancreatic cancer Renal insufficiency Retrograde ejaculation Number of Embase records 2 2 1 (plus one duplicate) 1 1 1 1 1 11 3 2 1 1 1 1 1 1 27 12 9 1 9 Subsidence (same paper as osteolysis) Swelling 1 1 Specific Adverse Effects Terms in the Abstract Blood loss Dysphagia Pseudarthrosis Radiculitis Subsidence Swelling Osteolysis Hoarseness Donor site pain Heterotopic bone formation Ossification Airway obstruction cyst formation Discomfort Donor-site morbidity Dyspnea Edema Retrograde ejaculation Wound complications Wound infection Bone regrowth Donor-site infection Excessive bone formation Fracture Hematoma formation Hematomas Inflammatory reactions Neurologic deficit Renal insufficiency Wound complication Number of Embase records 10 (plus 3 duplicate) 8 (plus one duplicate) 7 (plus one duplicate) 5 5 5 4 3 (plus one duplicate) 2 (plus one duplicate) 2 (plus one duplicate) 3 2 2 1 (plus one duplicate) 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 Specific Adverse Effects Indexing Terms Pseudarthrosis Bleeding Dysphagia Infection Intervertebral disk hernia Hoarseness Radiculitis Spine disease Degenerative disease hematoma Heterotopic ossification Bone swelling Drug induced cancer Number of Embase records 13 10 10 6 6 4 4 4 3 3 3 2 2 dyspnea Injury Neoplasm Neurologic disease Radiculopathy Retrograde ejaculation Swelling wound complication Wound infection Acute airway obstruction Airway obstruction Arthritis Bone erosion Bone infection Bursitis Drug fatality Edema Fever Fracture Fracture nonunion Graft dysfunction Joint swelling Mortality Nerve injury Neurological complication Neuropathic pain Osteoarthritis Pancreas cancer paresthesia Postoperative hemorrhage Postoperative infection Sepsis Seroma Surgical infection Tarlov cyst Vertebra fracture Weakness 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1