Table 3.

Crude 30-day postoperative mortality in hip fracture cases undergoing surgery with and without dementia

	No dementia N = 107,611	Dementia N = 27,304	p value
All-cause mortality
30-day mortality, n (%)	6,640 (6.2)	3,490 (12.8)	< 0.001
Cause-specific mortality
Cardiovascular, n (%)	2,895 (2.7)	1,287 (4.7)	< 0.001
Respiratory, n (%)	1,083 (1.0)	619 (2.3)	< 0.001
Cerebrovascular, n (%)	58 (0.1)	108 (0.4)	< 0.001
Sepsis, n (%)	118 (0.1)	74 (0.3)	< 0.001
Multi-organ failure, n (%)	2,413 (2.2)	1,176 (4.3)	< 0.001
Unknown, n (%)	73 (0.1)	226 (0.8)	< 0.001