Retrospective Validation of New Simulation Software to Prevent Perioperative Hypothermia in Major Urologic Abdominal Surgery

Table 3

Calculation of predictive indices for perioperative hypothermia.

	Perioperative hypothermia	Perioperative normothermia
Test result
Positive	a (“true positive”)	b (“false positive”)
Negative	c (“false negative”)	d (“true negative”)