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Table 3 Minimum (Min.), maximum (Max.) and mean (DA-CA) difference between the chronological (CA) and dental age (DA) in Thai males and females using the southern Han Chinese reference dataset and the six different dental age (DA) calculation methods

From: Age estimation in three distinct east Asian population groups using southern Han Chinese dental reference dataset

AgeMalesFemales
Mean
Age
SD
Age
Mean
CA-DA^
SD
CA-DA
t-testMean AgeSD
Age
Mean CA-DA^SD
CA-DA
t-test
Chronological Age (CA)12.894.5813.474.66
DA - No Weighting [nil]13.004.36−0.110.970.24513.784.48−0.311.260.003*
DA - Weighted Average [n-tds]12.974.39−0.080.940.37213.784.50−0.311.280.004*
DA - Weighted Average [sd-tds]13.034.36−0.140.970.11713.824.47−0.351.260.001*
DA - Weighted Average [se-tds]13.054.35−0.161.000.09413.824.46−0.351.250.001*
DA - Weighted Average [1/sd-tds]12.964.37−0.070.970.44313.744.49−0.271.260.012*
DA - Weighted Average [1/se-tds]12.954.38−0.060.950.53613.744.50−0.271.270.011*
  1. DA-Dental Age, *statistically significant value for CA-DA at p < 0.05,^negative value indicates overestimation and positive value indicates underestimation of age