Exploration of Medicine

Table 4

Intergroup comparisons of the percentage of reduction in measured scores

Parameter	Interval	Measurement	Control	Test	Test statistic	p-value
Sign score	Baseline–1 week	Mean ± SD	13.70 ± 11.40	14.57 ± 11.07	272.50	0.861
	Baseline–1 week	Median (IQR)	20.00 (25.00)	20.00 (25.00)	272.50	0.861
	Baseline–2 weeks	Mean ± SD	24.49 ± 11.51	29.42 ± 11.11	331.50	0.113
	Baseline–2 weeks	Median (IQR)	20.00 (5.00)	25.00 (20.00)	331.50	0.113
	Baseline–3 weeks	Mean ± SD	25.94 ± 10.32	51.01 ± 12.03	491.50	< 0.001*
	Baseline–3 weeks	Median (IQR)	20.00 (5.00)	50.00 (20.00)	491.50	< 0.001*
	Baseline–4 weeks	Mean ± SD	33.41 ± 16.92	75.00 ± 11.28	514.00	< 0.001*
	Baseline–4 weeks	Median (IQR)	25.00 (30.00)	75.00 (12.50)	514.00	< 0.001*
Pain scale	Baseline–1 week	Mean ± SD	22.66 ± 7.37	24.60 ± 5.19	293.00	0.527
	Baseline–1 week	Median (IQR)	22.22 (3.89)	25.00 (2.78)	293.00	0.527
	Baseline–2 weeks	Mean ± SD	42.24 ± 8.89	48.18 ± 5.73	368.50	0.020*
	Baseline–2 weeks	Median (IQR)	44.44 (16.67)	50.00 (5.56)	368.50	0.020*
	Baseline–3 weeks	Mean ± SD	61.27 ± 10.55	74.06 ± 6.68	446.00	< 0.001*
	Baseline–3 weeks	Median (IQR)	62.50 (13.89)	75.00 (11.11)	446.00	< 0.001*
	Baseline–4 weeks	Mean ± SD	79.95 ± 9.57	93.70 ± 6.43	476.50	< 0.001*
	Baseline–4 weeks	Median (IQR)	77.78 (15.00)	88.89 (11.11)	476.50	< 0.001*

SD: standard deviation; IQR: interquartile range; * significant (p < 0.05)