Table 1.
Spearman's Rank Correlation Coefficients
| SH | DSH | UI1MD | PC1 | PC2 | PC3 | PC4 | C1487T | T1540C | |
|---|---|---|---|---|---|---|---|---|---|
| SH | 0.40 | 0.36 | 0.28 | −0.30 | 0.15 | −0.01 | 0.36 | 0.42 | |
| DSH | 9.0E-09 | 0.19 | 0.18 | −0.09 | 0.26 | 0.09 | 0.34 | 0.39 | |
| UI1MD | 1.9E-07 | 7.4E-03 | 0.60 | −0.40 | 0.31 | 0.09 | 0.17 | 0.20 | |
| PC1 | 6.0E-05 | 1.3E-02 | 1.1E-20 | −0.03 | −0.06 | −0.09 | 0.15 | 0.20 | |
| PC2 | 2.3E-05 | 1.8E-01 | 7.2E-09 | 6.6E-01 | −0.01 | −0.03 | −0.21 | −0.21 | |
| PC3 | 3.9E-02 | 1.6E-04 | 7.3E-06 | 3.9E-01 | 8.5E-01 | 0.08 | 0.05 | 0.07 | |
| PC4 | 9.4E-01 | 1.9E-01 | 1.9E-01 | 2.1E-01 | 6.2E-01 | 2.7E-01 | 0.13 | 0.14 | |
| EDAR C1487T | 1.8E-07 | 7.4E-07 | 1.7E-02 | 3.0E-02 | 3.2E-03 | 4.7E-01 | 6.5E-02 | 0.85 | |
| EDAR T1540C | 7.7E-10 | 1.2E-08 | 5.4E-03 | 4.9E-03 | 2.6E-03 | 3.2E-01 | 4.6E-02 | 1.0E-57 |
Spearman's Rho values are shown in the upper-right portion of the matrix, and p values are in the lower-left. The following abbreviations are used: SH, shoveling grade; DSH, double-shoveling grade; UI1, upper first incisor; and MD, mesiodistal diameter. p values less than 0.01 are shown in bold.