Comparison 3. Ketamine.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Overall behaviour (ordinal scale, Houpt or similar)	5		Std. Mean Difference (IV, Random, 95% CI)	Totals not selected
1.1 Ketamine vs midazolam	2		Std. Mean Difference (IV, Random, 95% CI)	0.0 [0.0, 0.0]
1.2 Ketamine vs propofol	1		Std. Mean Difference (IV, Random, 95% CI)	0.0 [0.0, 0.0]
1.3 Ketamine/midazolam vs trimeprazine/methadone	1		Std. Mean Difference (IV, Random, 95% CI)	0.0 [0.0, 0.0]
1.4 Ketamine vs meperidine/promethazine	1		Std. Mean Difference (IV, Random, 95% CI)	0.0 [0.0, 0.0]
1.5 Ketamine vs ketamine/promethazine	1		Std. Mean Difference (IV, Random, 95% CI)	0.0 [0.0, 0.0]
2 Good or better behaviour	2		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
2.1 Ketamine vs trimeprazine/methadone/droperidol	1		Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
2.2 Ketamine/midazolam vs trimeprazine/methadone	1		Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]