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Table 2 Quality assessment of non-cohort studies

From: Association between adhering to a dietary approach to stop hypertension and risk of colorectal cancer: a systematic review and meta-analysis

First author

Year

S1

S2

S3

S4

C1

O1

O2

O3

Total NOS

Dixon et al., 2007 [4]

2007

*

*

 

*

**

 

*

*

7

Jafari nasab et al., 2021 [35]

2021

*

*

*

 

**

 

*

 

6

Wang et al., 2023 [37]

2023

*

*

 

*

**

*

*

*

8

Yarmand et al., 2024 [20]

2024

 

*

*

*

*

 

*

*

6

Jones-McLean et al., 2015 [36]

2015

*

*

*

*

**

 

*

*

8

Erben et al., 2018 [16]

2018

*

*

*

**

*

**

*

-

9

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BMC Gastroenterology

ISSN: 1471-230X

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