Table 3.
Author | Experimental group |
Control group |
||||||
---|---|---|---|---|---|---|---|---|
Year | Event | Total | Event | Total | NNT | 95% CI | ||
Clinical response | ||||||||
Orlando | 1994 | 17 | 20 | 9 | 20 | 3 | 1 | 8 |
Ponec | 1999 | 10 | 11 | 0 | 10 | 1 | 1 | 2 |
von der Spoel | 2001 | 11 | 13 | 0 | 11 | 1 | 1 | 2 |
Fanaei | 2008 | 20 | 21 | 0 | 21 | 2 | 1 | 2 |
Total | 58 | 65 | 9 | 62 | 1 | 1 | 2 | |
Abdominal pain | ||||||||
Ponec | 1999 | 8 | 11 | 0 | 10 | 1 | 1 | 2 |
Fanaei | 2008 | 9 | 21 | 0 | 21 | 2 | 2 | 5 |
Total | 17 | 32 | 0 | 31 | 2 | 1 | 3 | |
Sialorrhoea | ||||||||
Ponec | 1999 | 3 | 11 | 0 | 10 | 4 | 2 | 12 |
von der Spoel | 2001 | 3 | 13 | 0 | 11 | 5 | 2 | 22 |
Fanaei | 2008 | 8 | 21 | 0 | 21 | 3 | 2 | 8 |
Total | 14 | 45 | 0 | 62 | 3 | 2 | 6 | |
Vomiting | ||||||||
Ponec | 1999 | 1 | 11 | 0 | 10 | 13 | 3 | 5 |
Fanaei | 2008 | 4 | 21 | 0 | 21 | 6 | 3 | 54 |
Total | 5 | 32 | 0 | 31 | 7 | 3 | 375 | |
Bradycardia | ||||||||
Ponec | 1999 | 1 | 11 | 0 | 10 | 13 | 3 | 5 |
Fanaei | 2008 | 1 | 21 | 0 | 21 | 23 | 4 | 9 |
Total | 2 | 32 | 0 | 31 | 16 | 6 | 25 |
NNT=Number needed to treat; NNH=Number needed to harm.