Integrating palliative care in oncologic emergency departments: Challenges and opportunities

Table 1 Symptoms of cancer patients visiting emergency departments

Ref.	Country	Sample size	Study design	Most common symptoms (n)	Most common cancers
Mayer et al[4]	United States	27644	Retrospective	Pain (9000)	Lung
				Respiratory (5856)	Breast
				Gastrointestinal (3280)	Colon
					Prostate
Barbera et al[20]	Canada	76759	Retrospective	Abdominal pain (9224)	Lung
				Dyspnea (6171)	Pancreatic
				Malaise (4972)	Breast
				Chest pain (4463)
Yildirim et al[22]	Turkey	107	Retrospective	Dyspnea	Lung
				Pain
Vandyk et al[23]	Canada	18 studies with a median sample size of 143	Meta-analysis	Febrile neutropenia Infection Pain Fever Dyspnea	Multiple