Patient variable
and solution used
Lidocaine Articaine Total P valuea
N % N % N %
Number of patients 21 51.2 20 48.8 41 100
Sex Male 6 14.6 9 22 15 36.6 0.341b
Female 15 36.6 11 26.8 26 63.4
Initial pain (1 - 10) 4.8 4.2 0.46c
Premolars 9 22 5 12.2 14 34.1 0.326b
Molars 12 29.3 15 36.6 27 65.9

aTested between lidocaine and articaine groups.
bNon significant, Fisher's Exact Test.
cNon significant, unpaired Student's t-test.