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Table 3 Quality assessment of included studies with the Newcastle–Ottawa scale

From: Arterial duct stent versus surgical shunt for patients with duct-dependent pulmonary circulation: a meta-analysis

Study

Representativeness of the exposed cohort

Non-exposed cohort drawn from the same community

Ascertainment of exposure

Outcome of interest not present at start

Comparability of cohorts on the basis of design and analysis

Quality of outcome assessment

Follow-up long enough for outcomes to occur

Complete accounting for cohorts

Total score

Santoro [16]

*

*

*

*

*

*

–

*

7

Amoozgar [17]

*

*

*

*

*

*

–

*

7

McMullan [18]

*

*

*

*

*

*

–

*

7

Mallula [19]

*

*

*

*

*

*

*

*

8

Glatz [20]

*

*

*

*

**

*

–

–

7

Bentham [21]

*

*

*

*

**

*

*

*

9

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BMC Cardiovascular Disorders

ISSN: 1471-2261

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