Clinical characteristics and outcomes of octogenarians presenting with ST elevation myocardial infarction in the Australian population

Table 1 Baseline characteristics, procedural data, and outcomes of octogenarians as compared to non-octogenarians (controls)

	Octogenarians (n = 73)	Controls (n = 73)	P
Age	85.2 ± 4.1	67.1 ± 5.3	< 0.005
Females	56	29	< 0.005
Residential care	23	2.7	< 0.005
LLC	11	0	< 0.005
HLC	12	2.7	< 0.005
Home help	25	0	< 0.005
Medical comorbidities
Diabetes	38	19	< 0.05
eGFR	48.7 ± 19.9	68.1 ± 20.3	< 0.005
PVD	30	12	< 0.05
Prior IHD	36	20	0.06
EF	53.6 ± 14.1	50.8 ± 13.1	0.4
Charlsons	3.2 ± 2.3	1.7 ± 2.2	< 0.005
Presentation and procedural characteristics
Location of MI
Anterior	51	49	0.8
Inferior	42	47	0.5
Lateral	4.1	4.1	1.0
PCI attempt	47	84	< 0.005
PCI success (TIMI 2-3)	91	99	0.1
Symptoms onset to PCI < 6 h	16	45	< 0.005
Outcomes
Peri-procedural cardiac arrest	5	3	0.1
Death on table	1.8	0.9	0.2
Stroke	1.4	0	0.3
Inhospital mortality	28	7	< 0.005
30-d mortality	45	12	< 0.005

Data are means ± SD or n (%). LLC: Low level care; HLC: High level care; PVD: Peripheral vascular disease; EF: Ejection fraction; PCI: Percutaneous coronary intervention; MI: Myocardial infarction.

Table 2 Baseline characteristics and outcomes of octogenarians who received percutaneous coronary intervention compared to conservatively managed octogenarians (no-percutaneous coronary intervention)

	PCI (n = 34)	No-PCI (n = 39)	P
Age	84 ± 3.4	86 ± 4.3	< 0.05
Females	44	67	0.06
Residential care	3	41	< 0.005
LLC	3	18	< 0.005
HLC	0	23	< 0.005
Home help	18	35	0.2
Medical comorbidities
Diabetes	32	44	0.3
eGFR	54 ± 23	44 ± 16	< 0.05
PVD	21	38	0.1
Prior IHD	35	36	1
EF	54 ± 13	53 ± 16	0.2
Charlsons	2.52 ± 2	3.8 ± 2	< 0.05
Presentation
Location of MI
Anterior	41	59	0.2
Inferior	50	36	0.2
Lateral	6	3	0.6
Outcomes
Inhospital mortality	18	37	0.1
30-d mortality	29	59	< 0.05

Data are means ± SD or n (%). LLC: Low level care; HLC: High level care; PVD: Peripheral vascular disease; EF: Ejection fraction; PCI: Percutaneous coronary intervention; MI: Myocardial infarction.