Roux-en-Y versus Billroth I reconstruction after distal gastrectomy for gastric cancer: A meta-analysis

Table 1 Quality assessment of the included randomized controlled studies based on the Jadad scoring system

Ref.	Randomized	Appropriate randomization	Appropriately double blinded	Description of withdrawals	Total Jadad score
Ishikawa et al[20]	Yes	Yes	No	Yes	3
Lee et al[26]	Yes	Yes	No	Yes	3
Imamura et al[27] or Hirao et al[31]	Yes	Yes	No	Yes	3