Skip to main content

Table 2 The Jadad scale

From: Comparison of the clinical outcomes after esophagectomy between intrathoracic anastomosis and cervical anastomosis: a systematic review and meta-analysis

Study

Random

Blinding

Lost/Exit

Total

0

1

2

0

1

2

0

1

Walther et al., 2003

 

 + 

 

 + 

   

 + 

2

Okuyama et al., 2007

 

 + 

 

 + 

  

 + 

 

1

Workum et al., 2021

  

 + 

 + 

   

 + 

3

Back to article page

BMC Surgery

ISSN: 1471-2482

Contact us