Comparison 7. Lidocaine vs dimethylammonium.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
7.1 Adverse events	1		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
7.1.1 Hypotension	1	31	Risk Ratio (M‐H, Random, 95% CI)	0.85 [0.28, 2.59]
7.1.2 Rise in blood pressure	1	31	Risk Ratio (M‐H, Random, 95% CI)	0.10 [0.01, 1.61]
7.1.3 Tachycardia	1	31	Risk Ratio (M‐H, Random, 95% CI)	0.06 [0.00, 1.00]
7.1.4 Bradycardia	1	31	Risk Ratio (M‐H, Random, 95% CI)	0.35 [0.02, 8.08]
7.1.5 Nausea/Vomiting	1	31	Risk Ratio (M‐H, Random, 95% CI)	0.15 [0.02, 1.10]
7.1.6 Paraesthesia	1	31	Risk Ratio (M‐H, Random, 95% CI)	0.07 [0.00, 1.14]
7.1.7 Vertigo	1	31	Risk Ratio (M‐H, Random, 95% CI)	3.19 [0.14, 72.69]