Table 1.

The 10-point SAS

	Number of points
	0	1	2	3	4
Estimated blood loss (ml)	>1,000	601–1,000	101–600	≤100	–
Lowest mean arterial pressure (mmHg)	<40	40–54	55–69	≤70	–
Lowest heart rate (bpm)	>85	76–85	66–75	56–65	≤55