Efficacy of ω-3 Polyunsaturated Fatty Acids in Patients with Lung Cancer Undergoing Radiotherapy and Chemotherapy: A Meta-Analysis

Table 2

GRADE quality of evidence.

Outcomes	No. of studies	Intervention sample/control sample	Certainty assessment					Certainty
			Risk of bias	Inconsistency	Indirectness	Imprecision	Other considerations
Weight change	6	201/193	Serious	Serious	None	Not serious	None	⊕⊕〇〇 low
Albumin change	2	75/75	Serious	Not serious	None	Serious	None	⊕⊕〇〇 low
Energy intake at the end of the intervention	4	108/109	Serious	Serious	None	Serious	Serious	⊕〇〇〇 very low
Protein intake at the end of the intervention	3	79/80	Serious	Not serious	None	Not serious	None	⊕⊕⊕〇 moderate
CRP change	5	173/157	Serious	Serious	None	Serious	Serious	⊕〇〇〇 very low
TNF-α change	4	165/149	Serious	Serious	None	Not serious	None	⊕⊕〇〇 low

Note: evidence level downgrades one level when marked as serious.