Evidence-Based Complementary and Alternative Medicine / 2015 / Article / Tab 2

Research Article

Ultrasound-Guided Percutaneous Electrolysis and Eccentric Exercises for Subacromial Pain Syndrome: A Randomized Clinical Trial

Table 2

Outcome data for shoulder pain and disability.

Mean pain intensity (0–10)PretreatmentMiddle follow-upPosttreatment

Electrolysis group7.0 ± 0.93.8 ± 1.01.4 ± 1.2
Exercise group6.8 ± 0.75.1 ± 1.2 3.1 ± 2.1
Within-group change score from baseline#
 Electrolysis group−3.2 (−3.9, −2.5)##−5.6 (−6.4, −4.7)##
 Exercise group−1.7 (−2.2, −1.3)##−3.7 (−4.6, −2.9)##
 Between-group difference in change score1.5 (0.7, 2.2)##1.9 (0.7, 3.1)##

Worst pain intensity (0–10)PretreatmentMiddle follow-upPosttreatment

Electrolysis group8.2 ± 1.35.1 ± 2.42.3 ± 1.2
Exercise group8.1 ± 1.45.3 ± 2.5 4.5 ± 2.4
Within-group change score from baseline#
 Electrolysis group−3.1 (−4.4, −1.7)##−5.9 (−6.7, −5.0)##
 Exercise group−2.8 (−3.8, −1.6)##−3.6 (−4.6, −2.5)##
 Between-group difference in change score0.3 (−1.4, 2.0)2.3 (1.2, 3.3)##

Lowest pain intensity (0–10)PretreatmentMiddle follow-upPosttreatment

Electrolysis group5.8 ± 1.23.5 ± 2.31.2 ± 1.1
Exercise group5.0 ± 1.0 3.9 ± 2.3 1.3 ± 1.2
Within-group change score from baseline#
 Electrolysis group−2.3 (−3.4, −1.8)##−4.6 (−5.8, −3.5)##
 Exercise group−2.1 (−2.9, −1.7)##−3.7 (−4.5, −2.8)##
 Between-group difference in change score0.2 (−1.1, 1.4)1.1 (−0.3, 1.5)

DASH (0–100)PretreatmentMiddle follow-upPosttreatment

Electrolysis group57.4 ± 4.0 26.1 ± 10.311.1 ± 8.8
Exercise group57.6 ± 9.238.5 ± 11.4 20.8 ± 7.4
Within-group change score from baseline#
 Electrolysis group−31.3 (−35.8, −26.7)##−46.3 (−52.2, −40.5)##
 Exercise group−19.1 (−24.2, −14.0)##−36.8 (−42.2, −31.4)##
 Between-group difference in change score12.2 (5.6, 18.9)##9.5 (1.9, 17.2)##

Data are means ± standard deviations; data are means (95% confidence intervals).
#Compared to pretreatment; ##statistically significant differences ().
DASH: Disabilities of the Arm, Shoulder, and Hand.

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