Hello Coolgalbornin03Lo.
You still have plenty of time to improve and obtain a decent score in the UCAT! A lot can be done in 5 weeks. In terms of improving, identifying and targeting your weaknesses and then completing those relevant questions is the way to go. It's really good that you've identified your specific weaknesses for QR (the table questions) so you know what you need to work on.
For QR, since you're struggling with the questions that involve tables, I'd suggest practising those specific types of questions untimed. It would be good to work through them slowly and meticulously, making sure you understand how to solve each problem and as you practise more of these questions, hopefully, it will be easier and quicker to do them in the limited time.
In QR, I also struggle with the very difficult, long questions (with a lot of writing, that often involve data interpetation). Recently, I've started doing these questions untimed and breaking down each section of the stem passage (since there's so much to understand and make sense of) and making sure I understand the background information before proceeding to the actual question, which often makes it easier to understand.
I don't have Medentry but the above is what I'm using to tackle those hard QR questions and so hopefully they help you too!
Hope this helps!