Table 2. Mann-Whitney U and Kruskal-Wallis tests results with descriptive statistics of C1-type’s median percentage values of gutta-percha, sealer and voids according to filling techniques, shaping system and level of sections.
Gutta-Percha | Sealer | Voids | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
n | Median | IQR | p | Median | IQR | p | Median | IQR | p | |
Filling Techniques | ||||||||||
LC | 40 | 86.40c | 8.85 | < .001 | 13.10c | 8.94 | < .001 | 0.16a | 0.34 | < .05 |
CW | 40 | 97.30c | 5.75 | 2.50c | 5.89 | 0.00a | 0.13 | |||
Shaping System | ||||||||||
R | 40 | 89.66 | 17.67 | .25 | 10.96 | 17.70 | .30 | 0.09 | 0.32 | .36 |
H | 40 | 94.06 | 12.05 | 5.54 | 12.12 | 0.02 | 0.21 | |||
Level of Sections | ||||||||||
2mm | 20 | 80.40c | 23.88 | < .001 | 19.26c | 23.88 | < .001 | 0.00b | 0.00 | < .01 |
4mm | 20 | 91.13c | 13.68 | 8.79c | 13.40 | 0.00b | 0.23 | |||
6mm | 20 | 92.71c | 11.43 | 6.93c | 11.80 | 0.18b | 0.30 | |||
8mm | 20 | 97.06c | 6.80 | 2.52c | 6.79 | 0.12b | 0.27 | |||
Total | 20 | 91.27c | 6.51 | 8.49c | 6.46 | 0.15b | 0.26 |
a Statistically significant difference between groups at level of p < .05,
b p < .01,
c p < .001