Fig. 4
From: The role of geographic bias in knowledge diffusion: a systematic review and narrative synthesis
Results from Christakis et al. [25]. Dotted line at 0 represents no difference in impression scores. Mean differences in impression scores associated with attribution of an article or an abstract to the NEJM were 0.71 [95% CI (− 0.44–1.87)] and 0.50 [95% CI (− 0.87–1.87), respectively. Mean differences in impression scores associated with attribution of an article or an abstract to the SMJ were − 0.12 [95% CI (− 1.53–1.30)] and − 0.95 [95% CI (− 2.41–0.52)], respectively