Comparison 4. Camouflage syringe versus conventional syringe.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Pain‐related behaviour	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
1.1 Children who cried	1	100	Risk Ratio (M‐H, Fixed, 95% CI)	0.02 [0.00, 0.37]
1.2 Children who did not smile	1	100	Risk Ratio (M‐H, Fixed, 95% CI)	0.12 [0.06, 0.26]
2 Overall anxiety and behavioural changes (Venham's clinical rating scale, from 0 to 5 with 5 being the worst)	1		Mean Difference (IV, Fixed, 95% CI)	Subtotals only