Table 4.

ICD use by age group and sex, women versus men

Age, y	ICD use among women (%)	ICD use among men (%)	Unadjusted	P value	Adjusted	P value
Overall*	4,921/11,836 (41.6)	12,366/23,104 (53.5)	0.66 (0.61, 0.70)	<0.0001	0.74 (0.69, 0.79)	<0.0001
< 55	960/2,123 (45.2)	2,368/4,882 (48.5)	0.82 (0.73, 0.93)	<0.0001	0.82 (0.73, 0.93)	0.0059
55–64	1,112/2,234 (49.8)	2,807/4,964 (56.6)	0.79 (0.71, 0.88)		0.85 (0.76, 0.95)
65–74	1,319/2,734 (48.2)	3,409/5,732 (59.5)	0.70 (0.61, 0.81)		0.78 (0.66, 0.92)
75–84	1,236/3,138 (39.4)	3,071/5,547 (55.4)	0.58 (0.52, 0.66)		0.66 (0.58, 0.74)
≥ 85	294/1,607 (18.3)	711/1,979 (35.9)	0.41 (0.33, 0.52)		0.51 (0.40, 0.64)

Values are presented as odds ratios (95% confidence intervals). Generalized estimating equations models are unadjusted or adjusted for patient characteristics and hospital factors.

^*Per 5-year increase in age.