Table 2. Pain-relieving rates measured by scales of the two groups

Time	TrP group Mean ± SD	Meridian point group Mean ± SD	p
QDSA scale
After 1 week	- 13.69 ± 3.32	- 8.89 ± 2.27	< 0.001#
After 2 weeks	- 20.42 ± 2.93	- 16.51 ± 4.15	< 0.001#
After 3 weeks	- 25.90 ± 3.75	- 22.85 ± 5.86	< 0.001#
After 4 weeks	- 28.87 ± 4.07	- 25.46 ± 6.64	< 0.001#
VAS scale
After 1 week	- 2184 ± 2.69	- 13.33 ± 3.10	< 0.001*
After 2 weeks	- 33.98 ± 3.86	- 24.76 ± 6.04	< 0.001#
After 3 weeks	- 40.24 ± 4.88	- 34.25 ± 8.23	< 0.001#
After 4 weeks	- 43.15 ± 5.48	- 38.16 ± 9.09	< 0.001#
NDI scale
After 1 week	- 5.44 ± 1.41	- 2.43 ± 1.48	< 0.001*
After 2 weeks	- 8.32 ± 2.13	- 4.51 ± 2.71	< 0.001*
After 3 weeks	- 10.47 ± 2.71	- 6.30 ± 3.74	< 0.001#
After 4 weeks	- 11.24 ± 2.97	- 7.02 ± 4.20	< 0.001#

Tested using homoscedastic t-test,
Tested using heteroscedastic t-test.
Abbreviation: SD, Standard Deviation.