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I entirely agree. Given the extreme severity of the result of a conviction there needs to be very, very good evidence in the hands of the prosecution! Anything which essentially amounts to Well, she was there at the time or similar just should not make the grade. I'm highly sceptical of them having much more than that though. Highly sceptical.
The thing is that health care workers have been convicted on just that in the past. Statistical analysis has been used as evidence on the probability of a health care worker coincidentally being present at the material times. Expert witnesses in the form of statisticians have bamboozled juries and probably barristers and judges with their pronouncements and their degree of certainty.
The mortality rate at Countess of Chester Hospital for 2015.
Authors of the MBRRACE-UK (Mothers and Babies: Reducing Risk through Audits and Confidential Enquiries across the UK) report looked at stillbirths and neonatal deaths around the UK in 2015.
They found the Countess of Chester Hospital NHS Foundation Trust had a neonatal death rate of 1.91 for every 1,000 live births that year.
This was the highest out of the 43 trusts of a similar size it was compared with, which had an average of 1.27 neonatal deaths for every 1,000 live births.
There were also 5.42 extended perinatal deaths - deaths within four weeks - for every 1,000 births, including stillbirths. The average for similar sized maternity units was 4.73 deaths per 1,000 births.
The rate declined in 2016 but was still among the highest in the group.
Source: Countess of Chester Hospital: Woman held in baby deaths probe
I am no statistician but this increased mortality rate does not seem particularly compelling of a serial killer operating in a specific area! The percentage increase is significant but it would be when the average mortality rate in similar sized maternity units was so low. These figures amount to significantly less than one additional death per thousand births. Maybe I am missing something!
I share many of your concerns.
There are lies, damned lies and statistics (Mark Twain)
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