Acupuncture and dry-needling for low back pain (Review)

improvement
(Continued)
Li 1997 Improved 13 26
Li 1997 No change 0 2
Analysis 12.1.
Comparison 12 acupuncture plus intervention versus other intervention alone. (Chronic
LBP: > 3 months), Outcome 1 pain (lower values are better).
Review: Acupuncture and dry-needling for low back pain
Comparison: 12 acupuncture plus intervention versus other intervention alone. (Chronic LBP: > 3 months)
Outcome: 1 pain (lower values are better)
Study or subgroup Acup + intervention Intervention alone Std. Mean Difference Weight Std. Mean Difference
N Mean(SD) N Mean(SD) IV,Random,95% CI IV,Random,95% CI
1 Immediately after the end of the sessions
Leibing 2002 35 2.1 (2.2) 39 4.4 (1.7) 24.1 % -1.17 [ -1.66, -0.67 ]
Meng 2003 24 1.5 (1.2) 23 2.4 (1.3) 17.7 % -0.71 [ -1.30, -0.12 ]
Molsberger 2002 58 2.6 (2.1) 58 3.9 (2.1) 38.5 % -0.61 [ -0.99, -0.24 ]
Yeung 2003 26 3.81 (2.1) 26 5.12 (2.18) 19.7 % -0.60 [ -1.16, -0.05 ]
Subtotal (95% CI) 143 146 100.0 % -0.76 [ -1.02, -0.50 ]
Heterogeneity: Tau 2 = 0.01; Chi 2 = 3.49, df = 3 (P = 0.32); I 2 =14%
Test for overall effect: Z = 5.69 (P < 0.00001)
2 Short-term follow-up (up to 3 months after the end of the sessions)
Meng 2003 24 1.3 (0.8) 23 2.4 (1) 30.3 % -1.20 [ -1.82, -0.57 ]
Molsberger 2002 47 2.3 (2) 36 5.2 (1.9) 36.4 % -1.47 [ -1.96, -0.98 ]
Yeung 2003 26 3.77 (2.12) 26 5.19 (2.47) 33.3 % -0.61 [ -1.16, -0.05 ]
Subtotal (95% CI) 97 85 100.0 % -1.10 [ -1.62, -0.58 ]
Heterogeneity: Tau 2 = 0.13; Chi 2 = 5.24, df = 2 (P = 0.07); I 2 =62%
Test for overall effect: Z = 4.15 (P = 0.000033)
3 Intermediate-term follow-up (3 months to 1 year)
Leibing 2002 33 3.1 (1.8) 30 4.5 (2) 55.1 % -0.73 [ -1.24, -0.22 ]
Yeung 2003 26 3.46 (2.18) 26 5.27 (2.31) 44.9 % -0.79 [ -1.36, -0.23 ]
Subtotal (95% CI) 59 56 100.0 % -0.76 [ -1.14, -0.38 ]
Heterogeneity: Tau 2 = 0.0; Chi 2 = 0.03, df = 1 (P = 0.87); I 2 =0.0%
Test for overall effect: Z = 3.91 (P = 0.000091)
-2 -1 0 1 2
favours acup + inter
favours inter alone
Acupuncture and dry-needling for low back pain (Review)
Copyright © 2011 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd.
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