Parameters measured

Results (pre-treatments vs. post-treatment)

Mean

Standard deviation

Standard error of the mean

Doppler

Pre

Post

9.8182

13.7727

5.21569

4.75026

1.11199

1.01276

Size

Pre

Post

3.1818

3.0000

1.89326

1.77281

0.40364

0.37796

Colour

Pre

Post

4.1818

3.3636

0. 7951

1.25529

0.16950

0.26763

Sensation

Pre

Post

4.3636

3.4545

0.72673

1.10096

0.15494

0.23473