Table 3.

HACOR score to predict noninvasive ventilation failure

Variables	Category	Assigned Points
Heart rate (beats/min)	≤120	0
	>121	1
pH	≥7.35	0
	7.30–7.34	2
	7.25–7.29	3
	<7.25	4
Glascow Coma Scale	15	0
	13–14	2
	11–12	5
	≤10	10
Pao2:Fio2 ratio	≥201	0
	176–200	2
	151–175	3
	126–150	4
	101–125	5
	≤100	6
Respiratory rate (breaths/min)	≤30	0
	31–35	1
	36–40	2
	41–45	3
	≥46	4