From: Treatment of established postoperative nausea and vomiting: a quantitative systematic review
 | Early success | Late success | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
 | Success rate | Relative Risk | Number Needed To Treat | Ref | Success rate | Relative Risk | Number Needed To Treat | Ref | ||
 | Active | Control* | (95% confidence interval) | (95% confidence interval) | Active | Control* |  | (95% confidence interval) | (95% confidence interval) |  |
Prevention of further nausea | ||||||||||
Granisetron | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
0.1 mg | 40% | 17% | 2.41 (1.56 to 3.73) | 4.3 (3.0 to 7.9) | [41] | 27% | 13% | 2.08 (1.22 to 3.53) | 7.3 (4.3 to 24) | [41] |
1 mg | 41% | 17% | 2.45 (1.59 to 3.79) | 4.2 (2.9 to 7.4) | [41] | 30% | 13% | 2.35 (1.41 to 3.93) | 5.8 (3.7 to 13) | [41] |
3 mg | 42% | 17% | 2.56 (1.66 to 3.95) | 3.9 (2.7 to 6.6) | [41] | 37% | 13% | 2.88 (1.75 to 4.75) | 4.2 (2.9 to 7.2) | [41] |
Tropisetron | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
0.5 mg | 58% | 45% | 1.29 (0.94 to 1.75) | 7.7 (3.5 to -38) | [34] | 43% | 34% | 1.27 (0.85 to 1.90) | 11 (4.1 to -16) | [34] |
2 mg | 56% | 45% | 1.24 (0.91 to 1.69) | 9.3 (3.8 to -21) | [34] | 45% | 34% | 1.33 (0.90 to 1.98) | 8.9 (3.8 to -25) | [34] |
5 mg | 56% | 45% | 1.24 (0.91 to 1.69) | 9.3 (3.8 to -21) | [34] | 46% | 34% | 1.37 (0.93 to 2.03) | 8.0 (3.6 to -37) | [34] |
Ondansetron | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
8 mg | 78% | 28% | 2.80 (1.28 to 6.14) | 2.0 (1.3 to 4.6) | [44] | no data | ||||
Propofol | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
any dose | 36% | 25% | 1.44 (0.49 to 4.22) | 9.0 (2.5 to -5.6) | [46] | no data | ||||
Other drugs | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
GR205171 25 mg | 56% | 22% | 2.50 (0.96 to 6.52) | 3.0 (1.6 to 29) | [33] | no data | ||||
Isopropyl alcohol | 90% | 42% | 2.14 (1.24 to 3.69) | 2.1 (1.4 to 4.5) | [31] | no data | ||||
Prevention of further vomiting | ||||||||||
Dolasetron | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
12.5 mg | 55% | 27% | 2.03 (1.46 to 2.82) | 3.6 (2.5 to 6.1) | [19] | 32% | 11% | 2.88 (1.83 to 4.54) | 4.8 (3.5 to 7.8) | |
25 mg | 50% | 27% | 1.85 (1.31 to 2.60) | 4.3 (2.8 to 9.0) | [19] | 28% | 11% | 2.54 (1.59 to 4.04) | 6.0 (4.1 to 11) | |
50 mg | 48% | 27% | 1.77 (1.26 to 2.50) | 4.7 (3.0 to 11) | [19] | 32% | 11% | 2.93 (1.86 to 4.61) | 4.8 (3.5 to 7.7) | |
100 mg | 51% | 27% | 1.86 (1.33 to 2.61) | 4.3 (2.8 to 8.5) | [19] | 28% | 11% | 2.54 (1.60 to 4.04) | 5.9 (4.1 to 11) | |
Granisetron | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
0.1 mg | 53% | 26% | 2.02 (1.45 to 2.80) | 3.7 (2.6 to 6.5) | [41] | 38% | 20% | 1.96 (1.30 to 2.95) | 5.3 (3.4 to 13) | [41] |
1 mg | 58% | 26% | 2.20 (1.60 to 3.03) | 3.2 (2.3 to 4.9) | [41] | 46% | 20% | 2.35 (1.59 to 3.47) | 3.8 (2.7 to 6.5) | [41] |
3 mg | 60% | 26% | 2.28 (1.66 to 3.13) | 3.0 (2.2 to 4.5) | [41] | 49% | 20% | 2.50 (1.69 to 3.68) | 3.4 (2.5 to 5.5) | [41] |
Tropisetron | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
0.5 mg | 70% | 45% | 1.54 (1.16 to 2.05) | 4.1 (2.5 to 10) | [34] | 52% | 29% | 1.82 (1.20 to 2.75) | 4.3 (2.6 to 12) | [34] |
2 mg | 76% | 45% | 1.68 (1.28 to 2.21) | 3.2 (2.2 to 6.1) | [34] | 58% | 29% | 2.01 (1.35 to 3.00) | 3.5 (2.3 to 7.1) | [34] |
5 mg | 74% | 45% | 1.62 (1.23 to 2.14) | 3.5 (2.3 to 7.4) | [34] | 60% | 29% | 2.10 (1.41 to 3.12) | 3.2 (2.2 to 6.0) | [34] |
Ondansetron | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
0.1 mg | 22% | 16% | 1.40 (0.50 to 3.95) | 16 (4.0 to -7.8) | [43] | 16% | 16% | 1.00 (0.32 to 3.12) | ∞ (5.6 to -5.6) | [43] |
1 mg | 57% | 30% | 1.88 (1.39 to 2.55) | 3.7 (2.6 to 6.6) | [16] | 40% | 20% | 2.04 (1.51 to 2.75) | 4.8 (3.5 to 7.9) | |
4 mg | 57% | 27% | 2.10 (1.58 to 2.79) | 3.3 (2.5 to 5.1) | 45% | 19% | 2.29 (1.73 to 3.02) | 4.0 (3.0 to 5.7) | ||
8 mg | 59% | 32% | 1.84 (1.45 to 2.35) | 3.7 (2.7 to 5.8) | 44% | 20% | 2.23 (1.66 to 3.00) | 4.1 (3.1 to 6.2) | ||
16 mg | 54% | 16% | 3.43 (1.43 to 8.23) | 2.6 (1.7 to 6.4) | [43] | 50% | 16% | 3.20 (1.32 to 7.76) | 2.9 (1.8 to 8.3) | [43] |
0.1 mg/kg | 78% | 34% | 2.27 (1.83 to 2.81) | 2.3 (1.9 to 2.9) | [30] | 53% | 17% | 3.14 (2.21 to 4.48) | 2.8 (2.2 to 3.7) | [30] |
Propofol | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
any dose | 85% | 76% | 1.18 (1.01 to 1.37) | 10 (4.6 to -47) | 53% | 57% | 0.88 (0.64 to 1.22) | -26 (7.7 to -4.9) | ||
Other drugs | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
GR205171 25 mg | 78% | 28% | 2.80 (1.28 to 6.14) | 2.0 (1.3 to 4.6) | [33] | no data | ||||
Isopropyl alcohol | 35% | 11% | 3.33 (0.79 to 14.0) | 4.1 (2 to -174) | [31] | no data | ||||
Midazolam | 90% | 30% | 3.00 (1.14 to 7.91) | 1.7 (1.1 to 3.8) | [48] | no data |