Table 3 Surgical factors associated with an increased risk of positioning injury.

Factors specific to the type of intervention	Type of risk
“lengthy” operation (> 4 hours) 12, 25	Pressure ulcer, neuropathy, compartment syndrome
Interventions performed in the lithotomy position 12	Pressure ulcer, neuropathy, compartment syndrome
Interventions performed in an extreme Trendelenburg position 26	Pressure ulcer, neuropathy, compartment syndrome