Table 2.
Group | n | 2 mm | 4 mm | 6 mm |
---|---|---|---|---|
1 (40 pcf) | 5 | 1.160 ± 0.015 | 4.783 ± 0.077 | 7.597 ± 0.070 |
2 (20 pcf) | 5 | 1.190 ± 0.138 | 4.543 ± 0.180 | 7.197 ± 0.175 |
3 (10 pcf) | 5 | 1.133 ± 0.012 | 4.377 ± 0.121 | 6.933 ± 0.059 |
P-valuea | 0.1067 | 0.0111 | 0.0024 | |
Significant differenceb | Group 3 < Group 1 | Group 2 < Group 1 Group 3 < Group 1 |
Kruskal-Wallis test.
Post hoc pairwise comparisons were conducted by Wilcoxon rank-sum test.