Table 1.

Variables required for the Surgical Apgar Score

	Number of points
	0	1	2	3	4
Blood loss (g)	> 1000	601–1000	101–600	≤ 100	–
Lowest mean arterial pressure (mmHg)	< 40	40–54	55–69	≥ 70	–
Lowest heart rate (beats per min)	> 85	76–85	66–75	56–65	≤55

The Surgical Apgar Score is the sum of the points from each category