[Update: I need to issue an important caveat about the analysis in this post. When published, I had just been made aware of new and very detailed data sources about hospital prescribing, monthly sources with detailed analysis of volume and indicative price. The analysis was based on those sources and was consistent with a longstanding NHS Digital annual report on the total cost of hospital prescribing. But when the analysis attracted some attention, it was pointed out that the indicative pric...