Table 3 Values of central tendency and dispersion for continuous variables considered in the present study
From: Kvaal’s dental age estimation method applied to Brazilian adults—a cross-sectional test of validity
Variable | Mean | SD | Median | Interquartile interval |
|---|---|---|---|---|
Chronological age | 49.0 | 14.8 | 49.2 | 36.8; 61.0 |
Estimated age | 46.0 | 11.9 | 44.9 | 36.0; 56.8 |
T | 260.2 | 54.3 | 273.1 | 209.5; 307.8 |
P | 185.6 | 44.9 | 188.1 | 148.8; 221.0 |
R | 181.0 | 41.0 | 185.0 | 146.0; 215.3 |
A | 72.4 | 13.7 | 75.0 | 59.0; 84.0 |
A’ | 10.6 | 9.9 | 11.0 | 0.0; 19.0 |
B | 63.7 | 12.3 | 66.5 | 51.5; 73.0 |
B’ | 10.9 | 4.2 | 10.5 | 8.0; 14.0 |
C | 50.9 | 10.5 | 52.0 | 42.0; 58.0 |
C’ | 5.6 | 2.2 | 5.0 | 4.0; 7.0 |