Operative management of acute diverticulitis in immunosuppressed compared to immunocompetent patients: A systematic review

Table 3 Definition of immunosuppression

Ref.	Definition
Canter et al[9]	Long-term steroid use
Perkins et al[10]	Renal transplant
	Glomerulonephritis on steroids
	Lymphoma
	Long-term steroid use
Tyau et al[11]	Long-term steroid use
	Concurrent extracolonic malignant neoplasm/chemotherapy
	Malnutrition
	Uremia
Hesterberg et al[15]	Long-term steroid use
	Concurrent extracolonic malignant neoplasm/chemotherapy
	Azathioprine
	Iatrogenic leucopenia
Qasabian et al[16]	Heart and lung transplant
Biondo et al[13]	Concurrent history of immunosuppressant
	Solid organ transplant
	Concurrent extracolonic malignant neoplasm
	Emphysema
	Concurrent extracolonic malignant neoplasm/chemotherapy
	Collagen vascular disease, arthritis
	Chronic pulmonary fibrosis
	Congenital or acquired immunodeficiency syndromes
	End stage renal failure (hemodialysis)
Reshef et al[1]	Liver transplant
	Heart transplant
	Lung transplant
	Renal transplant
Halabi et al[12]	Renal transplant
Golda et al[14]	Concurrent history of immunosuppressant
	Long-term steroid use
	Concurrent extracolonic malignant neoplasm
	End stage renal failure (hemodialysis, peridialysis)