Analysing pre- and post-treatment lactate curves

Good morning all,

Has anyone got experience with analysing lactate against power curves? I have pre- and post-treatment lactate curves for 10 trialists, which I am hoping to quantifiably analyse. I understand the benefits of such a curve moving down and to the left, but can I establish the lactate threshold/Dmax for instance? Also, if there are any additional measures that I could/should be looking at, please let me know! In essence, I am wanting to see whether the treatment had any impact on their blood lactate/power output.

All suggestions are gratefully received,

Many thanks!!