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Table 3 Characteristics of included trials: Trials on various other conditionsa

From: How large are the nonspecific effects of acupuncture? A meta-analysis of randomized controlled trials

Trial Clinical problem Sample size (% dropout) Concealment Outcome used for meta-analysis Intervention details Standard basic care in all groups
Allen et al. [33] Depression 38
(11%)
Unclear Hamilton Rating Scale for Depression after 8 weeks N:12
D:n.i.
T:8w
Ac:A CA
S:I A 2
Probably no treatment at all
Allen et al. [34] Depression 157
(13%)
Unclear Hamilton Rating Scale for Depression after 8 weeks (PMOM) N:12
D:20
T:8w
Ac:A CA
S:I A 2
Probably no treatment at all
Asher et al. [35] Induction of labor 89
(0)
Adequate PMOM: Time to delivery N:7
D:30
T:2w
Ac:C CA
S:I A 1
Routine prenatal care
Aune et al. [36] Recurrent urinary tract infections 67
(unclear)
Unclear Patients without infection N:8
D:20
T:4w
Ac:A CA
S:I C 1
No treatment
Avis et al. [37] Menopausal hot flashes 56
(0)
Adequateb Reduction in hot flash frequencyb N:16
D:30
T:8w
Ac:B CA
S:B A 2
Continuation of nondrug treatment used before trial
Bullock et al. [40] Addiction (cocaine abuse) 236
(59%)
Unclear Addiction severity scale drug use in week 8 N:28
D:45
T:8w
Ac:C EarA
S:I C 2
Eden psychosocial programmingd
Freire et al. [47] Moderate obstructive sleep apnea syndrome 36
(28%)
Unclear Apnea-hypopnea index after 12 weeks N:10
D:30
T:10w
Ac:C CA
S:I C 1
Offer to receive sleep hygiene counseling
Lembob et al. [54] Irritable bowel syndrome (IBS) 231
(8%)
Adequate PMOM: IBS Global Improvement Scale week 3 N:6
D:20
T:3w
Ac:B CA
S:II B 1
Continuation of drugs and diet used before trial
Medici et al. [57] Stable chronic asthma 66
(0)
Unclear PMOM: Peak expiratory flow variability baseline to 4 months N:16
D:20
T:8w
Ac:C CA
S:I C 1
Asthma drugs adapted if necessaryd
Rampes et al. [60] Addiction (alcohol abuse) 59
(54%)
Adequatec PMOM: VAS craving for alcohol after 8 weeks N: 6
D: 30
T: 6w
Ac:C EarA
S:I C 2
Individual counseling and group therapyd
Röschke et al. [61] Depression 70
(unclear)
Unclear Responder according to Global Assessment Scale (GAS) N: 12
D: 30
T: 4w
Ac:C CA
S:I C 1
Mianserin 90 to 120 mg/day in all groupsd
Smith et al. [63] Nausea and vomiting during pregnancy 445
(25%)
Adequate Rhodes Index of Nausea after 4 weeks N: 5
D: 20
T: 4w
Ac:A CA
S:I C 1
Pretrial treatment continued; lifestyle recommendations
Tremeau et al. [65] Cervical maturation 37th to 38th pregnancy week 98
(18%)
Unclear PMOM: Bishop score baseline to 10 days N: 3
D: 20
T: 1w
Ac:C CA
S:I C 1
None
Wang et al. [66] Low-back and pelvic pain during pregnancy 159
(4%)
Adequatec PMOM: VAS pain change after 1 weekc N: 1
D:c
T: 1w
Ac:C EA
S:I C 2
Acetaminophen and other self-care if needed
Worner et al. [68] Addiction (alcohol abuse) 56
(95%)
Unclear Patients with either relapse or inpatient detoxification N: n.i.
D: 30
T: 12w
Ac:C CA
S:II C 1
Counseling and group therapyd
  1. aSee Table 1 footnotes for definitions of abbreviations bTwo sham groups with different context. cAdditional information received from author. dClassified as intense cointervention likely to influence the outcome.
  2. n.i. = no information reported