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Table 3 The risk of bias of RCTS (Jadad scale)

From: Fast-track surgery versus traditional perioperative care in laparoscopic colorectal cancer surgery: a meta-analysis

Reference

Randomization

Blinding

Withdraw and dropout

Jadad’s score

Quality

Lee [19]

2

0

1

3

High

Vlug [18]

2

1

1

4

High

Q.Wang [16]

2

0

1

3

High

G.Wang [17]

2

0

1

3

High

Feng [20]

2

1

1

4

High

  1. Randomization: randomization was described with appropriate method: 2 score, randomization was described without appropriate method: 1 score, no randomization: 0 score.
  2. Blinding: blinding was performed on all doctors and patients: 2 score, blinding was partially performed on doctors and patients: 1 score, no blinding: 0 score;
  3. Withdraw and dropout: the reason of withdraw and dropout was described: 1 score, the reason of withdraw and dropout was not described: 0 score.
  4. Quality: High-quality trials should score ≥ 3.