Gender Chronological Age (CA) Gender Dental Mean difference
Age (DA) (CA-DA)
Mean Standard Deviation Mean Standard Deviation  
Boys 13.79 0.722 Boys 14.02 1.572 0.23 ±0.85
Girls 13.85 0.892 Girls 14.14 1.46 0.20 ±0.57
Total 13.82 0.805 Total 14.08 1.506 0.26 ±0.7
Table 2: Mean comparison between chronological age and dental age of the study subjects.