I think it would be helpful to track sleep, mood/anxiety, etc., more formally. However, toileting is difficult because DD1 toilets independently and she will sometimes tell me she has 'diarrhoea' but actually, if I check in time, it's just a soft stool. She has no reliable concept of time - she's a bit of an enigma in that if you say 'It's on the 31st' she'll sometimes say 'Oh, so next Thursday?' (and she's right), but she will say that she hasn't had a poo for 'months and days and weeks' because she's anxious, and I have to remind her that earlier that day she told me she had just done a poo. Similarly sleep - she sleeps alone and will often say she was awake for 'hours' in the night - we have no idea if she was actually briefly awake for the toilet, or whether she did toss and turn for hours.
Pain..the trouble is that her anxiety influences her perception. Looking at the PPP, she would score really highly - she grimaces, she tosses and turns, she stiffens and jerks, swears and cries, rubs the area that hurts, is hard to console or comfort....she says she feels sick and her tummy hurts, but then she'll suddenly ask what's for dinner and tell us she's starving, then returns to her previous state.
So, I guess I'm saying that I don't know that 'objective observation' is going to be easy. I've seen critically ill people in ICU with septic bowel perforations behave less distressed than DD1 does.
I don't doubt that the pain is genuine, btw - I don't think she could make up the spasm and gasp, etc. I just don't think it is easy to correlate her symptom severity with clinical severity.
It is one of the things that worries me about resi care - I suspect she could visit A&E a fair few times before they can judge whether she needs to be there.