All patients
(n = 45)
M3 removed
(n = 28)
Another tooth
removed (n = 17)
P-value
N % N % N %
Female 25 55.6 17 60.7 8 47.1 0.371
Male 20 44.4 11 39.3 9 52.9 0.537
Age ≥ 25 years 34 75.6 19 67.9 15 88.2 0.123
Surgical removal 32 71.1 28 100 4 23.5 < 0.001a
Removal of bone (n = 43) 29 67.4 26 96.3 3 18.8 < 0.001a
Sectioning of tooth (n = 41) 22 53.7 21 80.8 1 6.7 < 0.001a

aStatistically significant difference at P < 0.05 (Pearson's chi-squared test).