Auricular Point Acupressure for Chronic Low Back Pain: A Feasibility Study for 1-Week Treatment : Table 3

Table 3: Estimation of mean changes in BPI average pain and BPI severity scores^*.


		Subject numbers	Baseline	End point	Mean change
Pain Score	Anchor status^†	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)	MCIDs^‡

Worst pain	Improved	36	7.47 (1.70)	3.32 (2.96)	−4.15 (2.37)	−1.86 (45.72)
Worst pain	Stable	22	7.76 (1.67)	5.47 (3.12)	−2.29 (2.42)	−1.86 (45.72)
Average pain	Improved	36	6.03 (1.84)	2.25 (2.52)	−3.78 (2.18)	−0.74 (54.38)
Average pain	Stable	22	6.57 (2.04)	3.53 (2.53)	−3.04 (2.27)	−0.74 (54.38)
Severity	Improved	36	6.09 (1.94)	2.27 (2.18)	−3.83 (2.05)	−1.16 (52.88)
Severity	Stable	22	6.45 (1.86)	3.78 (2.59)	−2.67 (2.22)	−1.16 (52.88)
Interference	Improved	36	4.82 (2.69)	2.02 (2.50)	−2.80 (2.60)	−0.70 (52.69)
Interference	Stable	22	4.65 (2.94)	2.55 (2.84)	−2.10 (2.90)	−0.70 (52.69)

MCIDs: minimum clinically important differences.
^†Grouped according to responses from treatment satisfaction questionnaire.
^‡Expressed as score reduction (Improved, Stable) and percent reduction from baseline.