Table 9.

Exact permutation test: pressure pain threshold.

Vertebral Level	Magnetic Tape® Group	Placebo Tape Group	p Value a
L1 postreatment first time	6.3 ± 1.149	4.32 ± 0.955	<0.001
L1 postreatment second time	6.333 ± 1.15	4.3 ± 0.957	<0.001
L2 postreatment first time	6.35 ± 0.967	4.62 ± 0.55	<0.001
L2 postreatment second time	6.3 ± 0.844	4.62 ± 0.55	<0.001
L3 postreatment first time	6.583 ± 0.913	4.38 ± 0.726	<0.001
L3 postreatment second time	6.633 ± 0.956	4.38 ± 0.76	<0.001
L4 pretreatment first time	3.85 ± 0.602	3.68 ± 0.502	<0.001
L4 pretreatment second time	3.883 ± 0.688	3.68 ± 0.563	<0.001
L4 postreatment first time	6.567 ± 0.878	3.64 ± 0.483	<0.001
L4 postreatment second time	6.517 ± 0.868	3.62 ± 0.507	<0.001
L5 postreatment first time	6.133 ± 1.035	3.72 ± 0.676	<0.001
L5 postreatment second time	6.117 ± 1.042	3.68 ± 0.638	<0.001
S1 postreatment first time	6.75 ± 0.92	4.28 ± 0.642	<0.001
S1 postreatment second time	6.783 ± 0.972	4.32 ± 0.642	<0.001
S2 postreatment first time	6.767 ± 0.802	4.52 ± 0.228	<0.001
S2 postreatment second time	6.833 ± 0.812	4.56 ± 0.251	<0.001
S3 postreatment first time	6.8 ± 0.817	4.48 ± 0.295	<0.001
S3 postreatment second time	6.8 ± 0.883	4.54 ± 0.336	<0.001
S4 postreatment first time	6.8 ± 0.81	4.74 ± 0.288	<0.001
S4 postreatment second time	6.833 ± 0.821	4.72 ± 0.277	<0.001

^a showed only significant differences set at p < 0.05.