Table. 4.

Results of change in blood flow before and after treatment by stimulation

Category Mean ± standard deviation Variance
Total
Pre treatment 29.4 ± 9.23 T 8.52 H
Post treatment 25.8 ± 7.89 T 6.23 H
P value < 0.001 < 0.001
Cooling phase
Pre treatment 29.6 ± 9.38 T 8.80 H
Post treatment 26.0 ± 8.05 T 6.48 H
P value < 0.001 < 0.001
Warming phase
Pre treatment 28.7 ± 9.17 T 8.41 H
Post treatment 25.2 ± 7.50 T 5.63 H
P value < 0.001 < 0.001

T: 1.0 × e-3, H: 1.0 × e-5.

Korean J Pain 2021;34:427~436 https://doi.org/10.3344/kjp.2021.34.4.427
© Korean J Pain