Review Article

Acupoint Stimulation for Fibromyalgia: A Systematic Review of Randomized Controlled Trials

Table 2

Estimated effect sizes of included trials in meta-analyses.

TrialsInterventionsEstimate effects value

(1) Changes of VAS scores for pain
(1.1) Therapeutic effect of acupuncture
(1.1.1) Acupuncture versus sham acupuncture
Assefi et al. 1989 [14]Acupuncture versus sham acupuncture on false acupoints0.23 −0.23, 0.68
Harris et al. 2005 [19]Acupuncture on traditional site versus acupuncture on nontraditional site0.28 −0.33, 0.89
Harris et al. 2005 [19]Acupuncture on traditional site with stimulation versus acupuncture on nontraditional site with stimulation−0.30 −0.98, 0.38
Harris et al. 2009 [20]Acupuncture versus sham acupuncture without penetration on nontraditional site−0.14 −1.02, 0.74
Lautenschlager et al. 1989 [22]Acupuncture versus sham acupuncture with disconnected laser equipment−0.55 −1.21, 0.11
Subtotal (random model)SMD 0.04 −0.37, 0.28 0.7924%
(1.1.2) Electroacupuncture versus sham electroacupuncture
Lautenschlager 1989 [22]Electroacupuncture versus sham electroacupuncture on false acupoints−0.30 −0.84, 0.23
Martin et al. 2006 [25]Electroacupuncture versus sham electroacupuncture without insertion−0.12 −0.68, 0.44
Subtotal (random model)SMD −0.22 −0.60, 0.17 0.270%
Overall (random model)SMD −0.09   −0.32, 0.14 0.442%

(2) VAS scores for pain after treatment
(2.1) Therapeutic effect of acupuncture
(2.1.1) Acupuncture versus sham acupuncture
(2.1.1.1) Acupuncture versus sham acupuncture
Assefi et al. 1989 [14]Acupuncture versus sham acupuncture on false acupoints0.24 −0.37, 0.84
Harris et al. 2005 [19]Acupuncture on traditional site versus acupuncture on nontraditional site0.31 −0.30, 0.92
Harris et al. 2005 [19]Acupuncture on traditional site with stimulation versus acupuncture on nontraditional site with stimulation−0.46 −1.15, 0.22
Harris et al. 2009 [20]Acupuncture versus sham acupuncture without penetration on nontraditional site−0.65 −1.55, 0.26
Subgroup (random model)SMD 0.07 −0.53, 0.38 0.7543%
(2.1.1.2) Electroacupuncture versus sham electroacupuncture
Lautenschlager et al. 1989 [22]Electroacupuncture versus sham electroacupuncture on false acupoints−0.56 −1.10, −0.02
Martin et al. 2006 [25]Electroacupuncture versus sham electroacupuncture without insertion−0.28 −0.84, 0.28
Sprott 1998 [27]Electroacupuncture plus basic therapy versus sham electroacupuncture with nonpuncture treatment plus basic therapy−0.38 −1.27, 0.50
Subgroup (random model)SMD −0.42 −0.77, −0.06 0.020%
Overall (random model)SMD −0.22   −0.51, 0.07 0.1326%
(2.1.2) Acupuncture versus medications
(2.1.2.1) Acupuncture versus anti-depression drugs
Gong and Wang 2010 [17]Acupuncture versus amitriptyline−0.98 −1.52, −0.44
Hadianfard and Parizi 2012 [18]Acupuncture versus fluoxetine−0.40 −1.12, 0.33
Liu 2012 [24]Acupuncture versus amitriptyline−0.66 −1.16, 0.16
Yao 2006 [29]Acupuncture versus amitriptyline−0.20 −0.82, 0.43]
Subtotal (random model)SMD −0.60 [−0.93, −0.27 0.000422%
(2.1.2.2) acupuncture versus analgesic-antipyretic
Liu and Li 2002 [23]Acupuncture versus ibuprofen−1.34 −1.90, −0.77 <0.00001NA
Overall (random model)SMD −0.74   −1.13, −0.35 0.000255%
(2.2) Therapeutic effect of combination of acupuncture and cupping therapy
(2.2.1) Combination of acupuncture and cupping therapy plus medications versus medications alone
Jiang et al. 2010 [21]Acupuncture plus cupping therapy and seroxat versus seroxat alone−1.63 −2.18, −1.08
Jiang et al. 2010 [21]Acupuncture plus cupping therapy and amitriptyline versus amitriptyline−1.77 −2.74, −0.80
Overall (fixed model)SMD −1.65   −2.10, −1.31 <0.000010%
(2.2.2) Combination of acupuncture and cupping therapy versus medications
Jiang et al. 2010 [21]Acupuncture plus cupping therapy and amitriptyline versus amitriptylineSMD −0.21 −0.57, 0.15 0.25NA
(2.3) therapeutic effect of moxibustion
Ruan 2010 [26]Moxibustion versus amitriptylineSMD −1.46 −2.00, −0.91 <0.00001NA
(2.4) Therapeutic effect of combination of acupuncture and point injection
Liu 2012 [24]Acupuncture combined with point injection (Vit B12) versus amitriptylineSMD −1.53 −2.09, −1.96 <0.00001NA

(3) No. of tender points after treatment
(3.1) Therapeutic effect of acupuncture
(3.1.1) Acupuncture versus medications
(3.1.1.1) Acupuncture versus anti-depression drugs
Liu 2012 [24]Acupuncture versus amitriptyline−1.50 −3.46, 0.46
Yao 2006 [29]Acupuncture versus amitriptyline−1.70 −4.22, 0.82
Subtotal (fixed model)MD −1.58 −3.12, −0.03 0.050%
(3.1.1.2) acupuncture versus analgesic-antipyretic
Liu and Li 2002 [23] Acupuncture versus ibuprofenMD −3.00 −4.35, −1.65 <0.0001NA
Overall (fixed model)MD −2.38   −3.40, −1.37 <0.000010%
(3.2) Therapeutic effect of combination of acupuncture and cupping therapy
(3.2.1) Combination of acupuncture and cupping therapy versus western medications
Jiang et al. 2010 [21] Acupuncture plus cupping therapy and amitriptyline versus amitriptylineMD −0.84 −1.72, 0.04 0.06NA
(3.2.2) combination of acupuncture and cupping therapy plus western medications versus medications alone
Jiang et al. 2010 [21] Acupuncture plus cupping therapy and seroxat versus seroxat alone−3.90 −6.29, −1.51
Jiang et al. 2010 [21] Acupuncture plus cupping therapy and amitriptyline versus amitriptyline-4.70 −5.67, −3.73
Overall (fixed model)MD −4.59   −5.49, −3.69 <0.000010%
(3.3) Therapeutic effect of combination of acupuncture and point injection
Liu 2012 [24]Acupuncture combined with point injection (Vit B12) versus amitriptylineMD −1.50 −3.46, 0.46 0.13NA

(4) Assessment for depression after treatments
(4.1) Therapeutic effect of acupuncture
(4.1.1) Electroacupuncture versus sham electroacupuncture (FIQ)
Martin et al. 2006 [25] Electroacupuncture versus sham electroacupuncture without insertionSMD −0.33 −0.90, 0.23 0.25NA
(4.1.2) acupuncture versus anti-depression drugs
Gong and Wang 2010 [17] Acupuncture versus amitriptyline (HAMD)−0.78 −1.30, −0.25
Hadianfard and Parizi 2012 [18] Acupuncture versus fluoxetine (FIQ)−0.48 −1.20, 0.25
Overall (fixed model)SMD −0.67   −1.10, −0.25 0.020%
(4.2) Therapeutic effect of combination of acupuncture and cupping therapy (HAMD)
(4.2.1) Combination of acupuncture and cupping therapy versus western medications
Jiang et al. 2010 [21] Acupuncture plus cupping therapy and amitriptyline versus amitriptylineMD 0.90 −0.68, 2.48 0.26NA
(4.2.2) combination of acupuncture and cupping therapy plus medications versus medications alone
Cao and Li 2003 [15] Acupuncture plus cupping therapy and seroxat versus seroxat aloneMD −6.00 −8.36, −3.64 <0.00001NA
Jiang et al. 2010 [21] Acupuncture plus cupping therapy and amitriptyline versus amitriptylineMD −1.78 −2.97, −0.59 0.003NA

(5) Assessment for sleep quality after treatments
(5.1) therapeutic effect of acupuncture
Gong and Wang 2010 [17] Acupuncture versus amitriptyline−0.34 −0.85, 0.17
Liu 2012 [24]Acupuncture versus amitriptyline−0.11 −0.74, 0.52
Yao 2006 [29]Acupuncture versus amitriptyline−0.43 −0.93, 0.07
Overall (fixed model)SMD −0.32   −0.63, −0.01 0.040%
(5.2) Therapeutic effect of combination of acupuncture and point injection
Liu 2012 [24]Acupuncture combined with point injection (Vit B12) versus amitriptylineSMD −0.94 −1.46, −0.42 0.0004NA

(6) FQI after treatments
(6.1) Therapeutic effect of acupuncture
(6.1.1) Electroacupuncture versus sham electroacupuncture
Martin et al. 2006 [25] Electroacupuncture versus sham electroacupuncture without insertionMD −4.30 −11.08, 2.48 0.21NA
(6.1.2) Acupuncture versus antidepression drugs
Hadianfard and Parizi 2012 [18] Acupuncture versus fluoxetineMD −4.60 −12.42, 3.22 0.25NA

(7) Assessment for fatigue after treatments
(7.1) Therapeutic effect of acupuncture
(7.1.1) Acupuncture versus sham acupuncture
(7.1.1.1) Electroacupuncture versus sham electroacupuncture
Martin et al. 2006 [25] Electroacupuncture versus sham electroacupuncture without insertionSMD −0.23 −0.79, 0.33 0.42NA
(7.1.1.2) acupuncture versus sham acupuncture
Harris et al. 2005 [19]Acupuncture on traditional site versus acupuncture on nontraditional site0.11 −0.50, 0.71
Harris et al. 2005 [19]Acupuncture on traditional site with stimulation versus acupuncture on nontraditional site with stimulation0.01 −0.67, 0.68
Subtotal (fixed model)SMD 0.06 −0.39, 0.51 0.790%
Overall (fixed model)SMD −0.05   −0.41, 0.30 0.770%
(7.1.2) Acupuncture versus antidepression drugs
Hadianfard and Parizi 2012 [18] Acupuncture versus fluoxetineSMD -0.27 −0.99, 0.45 0.46NA

MD: mean difference.
TCM: traditional Chinese medicine.
TENS: transcutaneous electrical nerve stimulation.
RR: risk ratio.