Table 2 Quality assessment according to the Jadad scale.

From: Efficacy and safety of topical nitroglycerin in the prevention of mastectomy flap necrosis: a systematic review and meta-analysis

References

Randomization

Concealment of allocation

Double blinding

Withdrawals and dropouts

Total

Gdalevitch et al.19

2

2

2

1

7

Fan et al.26

1

1

2

0

4

Kutun et al.27

2

1

2

0

5

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