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Open on Bluesky →

Neil Pettinger @kurtstat.bsky.social · 12/07/2025

Now with the two geom_vline() values correctly positioned (which - embarrassingly - they weren't in the original chart!

A chart showing two overlapping bell-shaped curves. The horizontal axis measures compliance with the NHS Emergency Department four-hour standard and is scaled from 0% to 100%. The vertical axis is unscaled and simply measures the number of days in 2023-24. The orange left-hand curve is centred on 44% compliance and represents the 183 days in the year when the ED was most crowded (the average no. of patients in the ED on these days was 90). The blue right-hand curve is centred on 53% compliance and represents the 183 days in the year when the ED was least crowded (the average no. of patients in the ED on these days was 65). The chart is titled: "Ninety's a crowd; sixty-five's a slightly smaller crowd."

Neil Pettinger @kurtstat.bsky.social · 14/07/2025

The counterpoint to the crowding chart that shows a difference is this attendances chart that shows no difference.

A chart showing two almost-identical bell-shaped curves. One is orange; the other is blue. The horizontal axis measures compliance with the NHS Emergency Department four-hour standard and is scaled from 0% to 100%. The vertical axis is unscaled and simply measures the number of days in 2023-24. The orange curve is centred on 48.1% compliance and represents the 183 days in the year when the ED had the most attendances per day (the average no. of ED attendances on these days was 355). The blue curve is centred on 48.9% compliance and represents the 183 days in the year when the ED had the fewest attendances per day (the average no. of ED attendances on these days was 305). The chart is titled: "The number of attendances doesn't really matter."

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