Table 2: Evaluation of the relationship between 36 DL root and 46 DL root.

46 DL Root 36 DL Root p
Presence Absence Total
n (%) n (%) n (%)
Presence 4 (2.7%) 17 (11.3%) 21 (14.0%) 0.004**
Absence 2 (1.3%) 127 (84.7%) 129 (86.0%)
Total 6 (4.0%) 144 (96.0%) 150 (100%)

Fisher’s Exact test ** p<0.01