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Table 4 Dichotomous outcomes from original studies (*included in pooling)

From: Effect of acustimulation on nausea and vomiting and on hyperemesis in pregnancy: a systematic review of Western and Chinese literature

Studies (author, year)

Number of subjects, intervention

Outcome measurement

Outcomes cured rate n/N (%)

Included in pooling

 

Treatment group

Comparator

 

Treatment group

Comparator

 

Dundee 1988

Acupressure P6 N = 119

Sham acupressure N = 112

Emetic symptoms: cured rate based on subjective report

32/119 (26.89 %)

17/112 (15.18 %)

*

Dundee 1988

Acupressure P6 N = 119

No treatment N = 119

Emetic symptoms: cured rate based on subjective report

32/119 (26.89 %)

15/119 (12.60 %)

 

Jiang 2012

Acupressure P6 + ear acupressure N = 65

Conventional IV fluid therapy N = 65

Nausea, vomiting, rate of food intake, ketonuria: Cured rate

42/65 (64.6 %)

25/65 (38.5 %)

*

Norheim 2001

Acupressure P6 N = 48

Placebo acupressure N = 49

Intensity of symptoms: VAS. Improved rate.

34/48 (71 %)

31/49 (63 %)

*

Neri 2005

Acupuncture + P6 acupressure N = 43

Metoclopramide infusion + Vit B 12 complex N = 38

Vomiting episodes: improved rate after session 3

24/43 (55.81 %)

14/38 (36.84 %)

*

Zhang 2005

Acupuncture + moxibustion (AMC) N = 50

Chinese herbal medicine N = 50

NVP, ketones, electrolytes, rate of food intake: cured rate

21/50 (42 %)

9/50 (15.25 %)

 

Zhang 2005

Acupuncture + moxibustion (AMC) N = 50

IV fluid therapy + conventional therapy N = 50

NVP, ketones, electrolytes, rate of food intake: cured rate

21/50 (42 %)

5/50 (9.09 %)

*

Liu 2007

Acupuncture + IV therapy N = 47

IV fluid therapy N = 47

Treatment effect: Nausea, vomiting, food intake

38/47 (80.85 %)

23/47 (48.93 %)

*

Wang 2008

Acupuncture + IV therapy N = 53

IV fluid therapy N = 42

Nausea, vomiting, electrolytes

41/53 (77.35 %)

17/42 (0.47 %)

*

Mao 2009

Acupuncture + IV therapy N = 30

IV fluid therapy + Chinese herbal medicine N = 30

Total treatment effect: electrolytes and vomiting rate: cured rate

27/30 (90 %)

3/30 (10 %)

 

Mao 2009

Acupuncture + IV therapy N = 30

IV fluid therapy + conventional therapy N = 30

Ketones: cured rate

27/30 (90 %)

4/30 (13.33 %)

*

Liu 2011

TCM Acupuncture N = 30

TCM Moxibustion N = 30

Nausea and vomiting, ketones, rate of food intake: cured rate

20/30 (66.67 %)

19/30 (63.33 %)

*

Ma 2013

Acupuncture + IV therapy N = 30

IV fluid therapy N = 30

Total treatment effect: ketones, vomiting rate: cured rate

28/30 (93.3 %)

10/30 (33.33 %)

*

Ou 2001

Ear acupressure N = 30

Chinese herbal medicine N = 30

Total treatment effect: electrolytes, nausea and vomiting rate: cured rate

3/30 (10.0 %)

3/30 (10.0 %)

*

Fan 1995

TCM moxa N = 151

Chinese herbal decoction N = 151

Nausea and vomiting Total: Cured rate

146/151 (96.7 %)

89/151 (58.9 %)

*

Xu 2009

TCM moxa N = 26

IV fluid therapy N = 25

Nausea and vomiting, ketones, rate of food intake: Cured rate

17/26 (65.38 %)

9/25 (36.0 %)

*

Lu 2012

TCM Moxa + IV fluid + conventional therapy N = 32

IV fluid therapy + conventional therapy N = 32

Nausea and vomiting, ketones, rate of food intake: Cured rate

10/32 (31.25 %)

5/32 (15.62 %)

*