Table 1 Basic characteristics of the included studies.
Author (year) | Country | Study design | Participants | Incidence (%) | Diagnostic criteria |
|---|---|---|---|---|---|
Jing13 | China | Retrospective study | patients aged ≥ 18 and received EN | 20.0 | The expert consensus of the NAA |
Peng14 | China | Retrospective study | Patients with severe cerebral hemorrhage and received EN | 39.9 | The expert consensus of the NAA |
Guan15 | China | Retrospective study | Patients aged ≥ 18 years with severe acute pancreatitis and received EN | 9.46 | The expert consensus of the NAA |
Guan16 | China | Retrospective study | Patients aged ≥ 18 years with severe acute pancreatitis and received EN | 9.46 | The expert consensus of the NAA |
Zhang17 | China | Retrospective study | patients aged > 18 and received EN | 20.9 | – |
Hou18 | China | Retrospective study | Patients with acute pancreatitis and received EN | 15.62 | The expert consensus of the NAA |
Zhang19 | China | Retrospective study | Patients aged ≥ 18 with severe acute pancreatitis and received EN | 28.31 | – |
Yu20 | China | Retrospective study | Patients aged ≥ 18 with severe traumatic brain injury and received EN | 48.11 | The expert consensus of the NAA |
Xie21 | China | Retrospective study | patients with acute cerebral infarction and received EN | 49.87 | The expert consensus of the NAA |
Shi22 | China | Retrospective study | Neurosurgical patients aged ≥ 65 and received EN | 24.69 | the expert consensus of The NAA |
Sun23 | China | Retrospective study | patients aged ≥ 18 and received EN | 24.03 | the expert consensus of the NAA |
