Table 3.

Device distribution across age quintiles.

Treatment	All (N = 1,412)		Age quintiles										p-value
			Age < 49 (n = 284)		49–58 (n = 319)		59–65 (n = 268)		66–72 (n = 271)		>73 (n = 270)
	N	%	N	%	N	%	N	%	N	%	N	%
# Devices													<0.001
0	223	15.79	69	24.3	52	16.3	39	14.55	30	11.07	33	12.22
1	881	62.39	148	52.11	184	57.68	163	60.82	184	67.9	202	74.81
2	271	19.19	60	21.13	71	22.26	56	20.9	53	19.56	31	11.48
3	36	2.55	7	2.46	12	3.76	9	3.36	4	1.48	4	1.48
4	1	0.07	0	0	0	0	1	0.37	0	0	0	0
Device type
VA-ECMO	332	23.51	101	35.56	91	28.53	63	23.51	52	19.19	25	9.26	<0.001
Impella	410	29.04	62	21.83	93	29.15	94	35.07	83	30.63	78	28.89	0.02
IABP	770	54.53	122	42.96	176	55.17	140	52.24	162	59.78	170	62.96	<0.001
Mechanical ventilation*	571	58.62	123	55.66	134	59.56	118	60.51	101	56.74	95	61.29	0.76
Medical therapy*	1,043	81.55	216	83.08	237	81.72	213	86.94	197	81.07	180	74.69	0.01

^*Percentages and chi square tests of independence do not include missing values.