Table 4.

Two-by-two table of perceived esthetic needs and professionally assessed esthetic needs in different age groups

Age	Perceived esthetic need	Professionally assessed esthetic need		p value*	Overestimation %	Underestimation %
		Negative	Positive
18–25	Yes	3	2	0.0833	50	100
	No	3	0
26–35	Yes	6	4	0.1573	40	66.67
	No	9	2
36–45	Yes	4	5	0.4142	44.44	71.43
	No	5	2
> 45	Yes	9	20	0.6171	64.29	74.07
	No	5	7

*For 2-by-2 tables, Bowker’s test is equivalent to McNemar’s test (P ≤ 0.05)