Table 1.

Risk factors for pelvic osteomyelitis

Significant systemic disease		Number of patients affected
	Previous myocardial infarction	5
	Respiratory disease	8
	Inflammatory bowel disease or bowel injury	10
	Liver disease (alcoholic cirrhosis, chronic hepatitis C)	2
	Renal disease (CKD 3-5)	4
	Malignancy	9
	Diabetes mellitus	9
	Previous arterial or venous thrombosis	5
	Central nervous system disease or injury	40
Factors predisposing to poor wound healing
	Malnutrition	10
	Obesity	3
	Smoking	12
	Use of steroids or immunosuppressants	7
	Peripheral vascular disease	2
	Pelvic radiotherapy	4
Factors predisposing to recurrent pressure ulcers
	Para- or tetra-paresis	40
Psychiatric comorbidities
	Substance misuse	3
	Depression (moderate or severe)	3