Incidence of failure-to-rescue after coronary artery bypass grafting: a multicenter observational study from the REPLICCAR II registry in Brazil

Table 4 Relationship between postoperative events and deaths in the database

Complications					Deaths (n)	Total (N)	Observed mortality (%)	Predicted mortality (mean%)	SD^a
0					26	3525	0.74	0.80	0.67
1	Prolonged orotracheal ventilation				11	83	13.25	1.18	1.29
1		AKI^b			15	179	8.38	1.43	1.08
1			Reoperation		6	41	14.63	1.00	0.72
1				Stroke	3	24	12.50	1.22	0.64
2	Prolonged orotracheal ventilation	AKI			41	60	68.33	2.37	2.17
2	Prolonged orotracheal ventilation		Reoperation		2	8	25.00	1.21	0.65
2	Prolonged orotracheal ventilation			Stroke	3	11	27.27	1.75	2.54
2		AKI	Reoperation		1	7	14.29	1.84	1.86
2		AKI		Stroke	4	9	44.44	1.14	0.99
2			Reoperation	Stroke	0	0	-	-	-
3	Prolonged orotracheal ventilation	AKI	Reoperation		4	7	57.14	1.57	1.25
3	Prolonged orotracheal ventilation	AKI		Stroke	2	6	33.33	1.33	0.77
3	Prolonged orotracheal ventilation		Reoperation	Stroke	1	1	100.00	1.12	-
3		AKI	Reoperation	Stroke	1	2	50.00	0.73	0.14

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