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Table 5 | Newcastle-Ottawa scale for assessing case-control study quality

From: A systematic review and meta-analysis of haematological malignancies in residents living near petrochemical facilities

Lead Author (Publication Year)

Selection (Max = 4)

Comparability (Max = 2)

Exposure (Max = 3)

Overall Quality (Max = 9)

De Roos (2010) [70] a

4

2

2

8

García-Pérez (2015) [71]

2

1

3

6

Linos (1991) [72]

3

2

2

7

Yu (2006) [76]

3

2

1

6

  1. a Studies not included in the meta-analysis of leukaemia incidence
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Environmental Health

ISSN: 1476-069X