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Table 3 Assessment of the methodologic quality of the cohort studies included in meta-analysis

From: Antihypertensive drugs use and the risk of prostate cancer: a meta-analysis of 21 observational studies

Studies

Slection

Comparability

Outcome

Total scores

1

2

3

4

1

2

1

2

3

Pai, P. Y.et al. 2015 [20]

+

+

+

+

+

 

+

+

+

8

Rao, G. A. et al. 2013 [24]

+

+

+

+

+

+

+

+

+

9

Bhaskaran, K. et al. 2012 [25]

+

+

+

+

+

+

+

+

+

9

Rodriguez, C. 2009 [26]

+

+

+

+

+

+

 

+

+

8

van der Knaap, R. et al. 2008 [27]

+

+

+

+

+

+

+

+

+

9

Harris, A. M. et al. 2007 [28]

+

+

+

   

+

+

 

5

Debes, J. D. et al. 2004 [29]

+

+

+

+

+

 

+

+

+

8

Friis, S. et al. 2001 [30]

+

+

+

 

+

 

+

+

+

7

Fitzpatrick, A. L. 2001 [31]

+

+

+

+

+

+

+

+

+

9

Sorensen, H. T. 2000 [10]

+

+

+

   

+

 

+

5

Olsen, J. H. 1997 [32]

+

+

+

   

+

 

+

5

Pahor, M. 1996 [33]

+

+

+

+

+

+

+

+

+

9

  1. +: the article gain 1 score in the item