Effect of prehabilitation in patients undergoing gastric or oesophageal cancer resections: A systematic review and meta-analysis

Table 3 Quality assessment of included studies

Ref.	Randomisation	Power calculation	Blinding	Concealment	ITT	Inclusion criteria	Exclusion criteria
Aiko et al[18], 2012	Envelope method	Not reported	Not reported	Not reported	Not reported	Reported	Reported
Allen et al[17]	Computer generated variable block size	Reported	Not reported	Reported	Reported	Reported	Reported
Barberan-Garciaet al[19], 2018	Computer generated random numbers	Not reported	Double	Not reported	Reported	Reported	Reported
Bausys et al[20], 2023	Computer generated	Reported	Not reported	Reported	Reported	Reported	Reported
Chen et al[21], 2024	Computer generated	Reported	Single	Reported	Reported	Reported	Reported
Guinan et al[22], 2018	Web based	Not reported	Single	Not reported	Not reported	Reported	Reported
He et al[23],2022	Random number tables	Reported	Single	Not reported	Not reported	Reported	Not reported
Liu et al[24],2020	Computer random number generation	Reported	Single	Not reported	No ITT	Reported	Reported
Loughney et al[25], 2024	Computer generated	Reported	Noblinding	Not reported	Reported	Reported	Not reported
Minnella et al[7], 2018	Computer generated	Reported	Single	Reported	Not reported	Reported	Reported
Swaminathan et al[26], 2020	Block randomisation	Reported	Not reported	Reported	Modified ITT	Reported	Reported
Valkenet et al[27], 2018	Web based	Reported	Single	Reported	Modified ITT	Reported	Reported
Wang et al[28], 2015	Computer generated	Not reported	Not reported	Reported	Not reported	Not reported	Not reported
Yamana et al[29], 2015	Not reported	Reported	Not reported	Reported	Not reported	Not reported	Not reported
Zhao et al[30], 2018	Table of random numbers	Not reported	Not reported	Not reported	Not reported	Reported	Reported
Zheng et al[31], 2024	Computer based random number table	Reported	Double	Reported	Not reported	Reported	Reported

ITT: Intention to treat.