Comparison 8. Non pharmacological interventions.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Level of comfort during procedure comparing hypnosis with control group	1		Mean Difference (IV, Random, 95% CI)	Totals not selected
2 N2O request comparing hypnosis with a control group	1		Peto Odds Ratio (Peto, Fixed, 95% CI)	Totals not selected
3 Pain with aspiration comparing music with methoxyflurane	1		Odds Ratio (Peto, Fixed, 95% CI)	Totals not selected
4 Pain (mean) with aspiration comparing ralxation versus pleasant imagery versus analgesic imagery versus contro			Other data	No numeric data