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. 2019 Dec 5;7(4):e16291. doi: 10.2196/16291

Table 3.

Mean age and mean estimated age per age group by the best-performing model, GoogLeNet, on male and female subjects.

Gender	Subject age group^a, years
	14	15	16	17	18	19	20	21
Men, mean age	14.23	15.24	16.19	17.21	18.18	19.18	20.23	21.18
Men, mean estimated age	14.96	15.52	16.62	17.09	18.75	19.36	19.80	19.80
Women, mean age	14.22	15.24	16.19	17.22	18.19	19.29	20.25	21.21
Women, mean estimated age	14.93	15.67	17.50	17.72	18.45	18.79	19.00	19.00

^aAge group X refers to an age span from X to X.5 (eg, the age group 14 refers to an age span of 14 to 14.5 years).