With tendency
Without tendency
P
(26/91)
(65/91)
Mean (%)
SD
Mean (%)
SD
ERR T
2
2.07
3.047
2.09
2.152
0.151 ns
ERR T
3
2.99
3.583
3.70
2.755
0.079 ns
ns – non-significant (P<0.05)
Table 3:
Comparison of ERR (%) at T
2
and T
3
between groups
with
and
without tendency
toward root resorption (Mann-Whitney test).