This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 28 May 2026.
All research outputs
#20,901,667
of 32,801,418 outputs
Outputs from BMJ Open
#18,132
of 29,043 outputs
Outputs of similar age
#70,755
of 236,601 outputs
Outputs of similar age from BMJ Open
#45
of 175 outputs
Altmetric has tracked 32,801,418 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 29,043 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 18.0. This one is in the 35th percentile – i.e., 35% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 236,601 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 67% of its contemporaries.
We're also able to compare this research output to 175 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 70% of its contemporaries.
