Table 3 The difference between age estimated by different methods and actual age
Mean (SD) | Difference between the actual age and estimated age | P value for the paired samples t test | ||
|---|---|---|---|---|
Mean difference | 95% Confidence interval for the difference | |||
Actual age | 35.41 (8.17) | |||
Estimated age (light) | 32.05 (5.77) | 3.36 | 2.51 to 4.21 | < 0.001 |
Estimated age (polarized) | 30.80 (5.50) | 4.61 | 3.68 to 5.54 | < 0.001 |
Estimated age (racemization) | 35.55 (8.41) | − 0.14 | − 0.47 to 0.19 | 0.393 |