Known or potential factors influencing perioperative mortality rates
Preoperative factors | Operative factors | ||
Patient factors | Comorbidities | Urgency | Planned |
Age | Emergent | ||
Severity and nature of illness | |||
Health systems factors | Prehospital transport | Surgical approach | Open |
Delay to presentation | Minimally invasive | ||
Appropriate centre for condition | Intrinsic procedure risk | By specialty | |
By procedure | |||
By complexity score | |||
Surgeon skill | Specialist versus non-specialist surgeon | ||
Surgeon versus non-surgeon physician | |||
Physician versus non-physician surgeon | |||
Trainee versus fully-trained surgeon | |||
Inter-surgeon variation | |||
Anaesthetic modality | General, regional, local | ||
Anaesthetist skill | Specialist versus non-specialist anaesthetist | ||
Anaesthetist versus non-anaesthetist physician | |||
Physician versus non-physician provider | |||
Trainee versus fully-trained anaesthetist | |||
Inter-anaesthetist variation |