insecurities about my sentence

Or maybe a semicolon? This is being suggested by Word after the use of 'whilst'.

PvunderinkIs it 'While' or 'Whilst'?

Whilst is very very old fashioned. Hardly anyone uses these -st endings any more (amongst, amidst, whilst,...) .

Pvunderinkwhile Chapter 5’s econometric structure gives a more thorough analysis."

...while the discussion on econometric structure in Chapter 5 gives a more thorough a

So 's after a number is not possible?

Chapter 5 does not give a discussion, it uses econometric methodology to address the results in Figure 5. So, I think I need to rephrase it. Do you have an idea?

PvunderinkSo 's after a number is not possible?

Yes it's possible:

FM 740's pavement is deteriorating. (FM 740 is a highway.)
Grille 66's decor is outstanding. (Grille 66 is a restaurant.)
007's driving skills were phenomenal. (007 is another name for James Bond)

Pvunderink"Hence, Figure 5 indicates an intuitive result,

AlpheccaStarsWhilst is very very old fashioned. Hardly anyone uses these -st endings any more (amongst, amidst, whilst,...) .

I do wish some of you youngsters would remember that there are a few of us on this forum who are not as young as we used to be, We don't necessarily feel that the way we speak/write is a perfect model for learners today, but we are not

fivejedjonwhen we are dismissed as old-fashioned.

Actually, I think old-fashioned is rather cool and I'm no spring chicken, either!
But our language moves on, and we need to move with it.

None are so old as those who have outlived enthusiasm.
- Henry David Thoreau

AlpheccaStarsBut our language moves on, and we need to move with it.

Heaven forfend!

(Even if I wanted to move, I couldn't. The so-called 'carers' have locked my Zimmer frame away as a punishment for choking on my gruel.)