Figure 2
From: Investing in updating: how do conclusions change when Cochrane systematic reviews are updated?

Ratios of confidence intervals of the summary statistic of the primary outcome of Cochrane reviews from Issue 2, 2002 to Issue 2, 1998.
From: Investing in updating: how do conclusions change when Cochrane systematic reviews are updated?
Ratios of confidence intervals of the summary statistic of the primary outcome of Cochrane reviews from Issue 2, 2002 to Issue 2, 1998.