Group | N | Calendrical age (CA) (years) | CTR | Estimated age (EA) (years) | EA-CA (years) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | Mean | SD | F | df | Sig* | ||
I | 16 | 5.54 | 0.84 | 3.23 | 0.25 | 4.74 | 0.95 | –0.80 | 0.46 | 4.625 | 3 | 0.006 |
II | 12 | 8.50 | 0.80 | 2.53 | 0.27 | 7.45 | 1.05 | –1.05 | 0.44 | |||
III | 13 | 11.64 | 1.03 | 1.74 | 0.33 | 10.50 | 1.28 | –1.14 | 0.48 | |||
IV | 11 | 14.17 | 0.54 | 1.16 | 0.18 | 12.73 | 0.68 | –1.44 | 0.35 | |||
Total | 52 | 9.57 | 3.41 | 2.26 | 0.84 | 8.50 | 3.25 | –1.08 | 0.48 |