Capacity) is lower now and measured at around 58%. Many factors can affect a reading and if taken again now or tomorrow – the reading could be higher or lower. But it gives them an idea of the rate at which it is decreasing. Oxygen levels are still good.
Here is a helpful diagram, which comes from MND Association Information Sheet 11, about PEG feeding. If you would like to read more about gastrostomy and MND, follow the link below: