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Table 2 Jadad score and Newcastle-Ottawa quality assessment scale

From: Efficacy of transanal tube placement after anterior resection for rectal cancer: a systematic review and meta-analysis

Study

Jadad score (0–5)

Newcastle-Ottawa quality assessment scale cohort studies

  

Selection (0–4)

Comparability (0–2)

Outcome (0–3)

Total (0–9)

Xiao et al. [19]

2

****

**

***

9

Nishigori et al. [20]

****

*

***

8

Hidaka et al. [21]

****

*

***

8

Zhao et al. [22]

****

**

***

9

  1. There is one star for each point, a study can be given a maximum of nine stars