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Table 1 Summary of results

From: Effects of a botulinum toxin type A injection on the masseter muscle: An animal model study

  Pre-injection Post-injection P-value
Group 1 Peak voltage 6.42 ± 0.50 mV 4.73 ± 1.25 mV 0.044
RMS 0.28 ± 0.07 mV 0.12 ± 0.05 mV 0.002
Group 2 Peak voltage 6.49 ± 0.63 mV 2.70 ± 0.98 mV <0.001
RMS 0.31 ± 0.15 mV 0.11 ± 0.10 mV 0.001
  1. RMS: root mean square, Group 1: BTX-A 5 unit treated group, Group 2: BTX-A 20 unit treated group.