. Author manuscript; available in PMC: 2014 Aug 1.

Published in final edited form as: Anesth Analg. 2013 Jun 6;117(2):438–446. doi: 10.1213/ANE.0b013e31829180b7

Table 1.

Calculation of the surgical Apgar score, range from 0 to 10 points, with lower scores associated with worse postoperative outcomes.

	Surgical Apgar Score, number of points
	0	1	2	3	4
Estimated blood loss, ml	> 1000	601-1000	101-600	≤ 100
Lowest MAP, mm Hg	< 40	40-54	55-69	≥ 70
Lowest HR, beats/minute	> 85	76-85	66-75	56-65	≤ 55

Abbreviations: ml = milliliters; MAP = mean arterial pressure; HR = heart rate.