Increased Mortality in Diabetic Foot Ulcer Patients: The Significance of Ulcer Type

Table 2

Causes of death in diabetic foot ulcer patients and control group on death certification and postmortem examination.

Cause of death	DFU pts; on DC; ()	Control pts; on DC; ()	P	DFU pts; on PM; ()	Control pts; on PM; ()	P
Ischaemic heart disease	111 (45.7%)	55 (45.5%)	0.968	50 (62.5%)	21 (70%)	0.465
(i) CAD/atherosclerosis	89	45	0.976	47	16	0.609
(ii) MI/coronary thrombosis	47	32	0.123	27	11	0.775
(iii) Cardiac arrest	5	1	0.401	0	0	0.629
Other cardiac causes	13 (5.3%)	7 (5.8%)	0.864	7 (8.8%)	3 (10%)	0.839
Bronchopneumonia	39 (16 %)	21 (17.4%)	0.752	3 (3.8%)	4 (13.3%)	0.085
Cancer	20 (8.2%)	19 (15.7%)	0.033	2 (2.5%)	1 (3.3%)	0.812
Cerebrovascular accidents	11 (4.5%)	6 (5%)	0.854	1 (1.3%)	0	0.932
Septicaemia	10 (4.1%)	6 (5%)	0.712	0	0	0.629
Renal failure	10 (4.1%)	3 (2.5%)	0.433	0	0	0.629
Pulmonary thromboembolic disease	8 (3.3%)	1 (0.8%)	0.187	7 (7.5%)	1 (3.3%)	0.349
Gastrointestinal bleeding	5 (2.1%)	0	0.245	2 (0.8%)	0	0.671
Chronic obstructive pulmonary disease	3 (1.2%)	1 (0.83%)	0.727	1 (1.25%)	0	0.932
Ruptured aortic aneurysm	2 (0.8%)	1 (0.83%)	0.997	2 (2.5%)	0	0.671
Other causes	11 (4.4%)	1 (0.83%)	0.098	5 (6.25%)	0	0.318

DC: death certification, PM: postmortem, CAD: coronary artery disease, and MI: myocardial infarction.