The above chart from: https://twitter.com/PaulMainwood/status/1610574797888708610

90th percentile? If a score is said to be in the 90th percentile, this means that 90% of the scores in the distribution are equal to or lower than that score.

So, 90% of ambulance calls in England and Scotland are within the above times:

As Paul points out:

“Using 90th percentile times for Category 2s/Amber because it’s about the only statistic that’s comparable between the Scottish and English datasets.”

“Not saying Scotland has solved it by the way – just that their ambulance services are managing response times that NHS England are not.”