Open Access
Table VI
Characteristics and quality of the included trials.
| Study | Country | Study model | Sample origin | Sample size | Temoin group | Control group | Variables Studied (scale) |
Main bias | Modified JADAD scale |
|---|---|---|---|---|---|---|---|---|---|
| Faro et al. 2019 | Brazil | RCT | Hospital | 50 | PP n = 25 | AP n = 25 | PONV (Korttila) Pain (VAS) Dysphagia |
–Selection (not ITT analysis) | 8 |
| Temel et al. 2019 | Turkey | RCT | Hospital | 88 | PP n = 44 | AP n = 44 | PONV (Korttila) Total volume stomach |
–Selection (not ITT analysis) –Classification (non-standardized evaluation procedure) |
5 |
| Alfiky et al. 2018 | Saudi Arabia | RCT | Hospital | 41 | PP n = 23 | NPP n = 18 | PONV (yes/no) Pain (VAS) |
–Selection (not ITT analysis) –Confusion (no control group without PP) |
8 |
| Al-lami et al. 2017 | England | RCT | Hospital | 80 | PP n = 40 | AP n = 40 | PONV (Wengritzky) Pain (VAS) |
–Selection (not ITT analysis) | 6 |
| Green et al. 2017 | United States | RCT | Hospital | 42 | PP n = 20 | AP n = 22 | PONV (Korttila) Pain (VAS) |
–Selection (not ITT analysis) | 8 |
| Meco et al. 2016 | Turkey | RCT | Hospital | 201 | PP n = 52 Wet PP n = 48 PP soaked in CGBH n = 51 |
AP n = 50 | PONV (Korttila) Pain (VAS) |
–Selection (not ITT analysis) | 8 |
| Razavi et al. 2015 | Northern Ireland | RCT | Hospital | 89 | PP n = 44 | AP n = 45 | PONV (yes/no) Pain (VAS) |
–Selection (not ITT analysis) –Classification (non-standardized evaluation procedure) |
4 |
| Korkut et al. 2010 | Turkey | RCT | Hospital | 100 | PP n = 50 | AP n = 50 | PONV (Korttila) | –Selection (not ITT analysis) | 6 |
| Piltcher et al. 2007 | Brazil | RCT | Hospital | 144 | PP n = 70 | AP n = 74 | PONV (yes/no) Pain (yes/no) |
–Classification (no intra-individual comparison) | 5 |
| Basha et al. 2006 | Northern Ireland | RCT | Hospital | 93 | PP n = 45 | AP n = 48 | PONV (VAS 0 to 10) Pain (VAS) |
–Selection (not ITT analysis) | 6 |
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