Association between dental agenesis and delay in dental development: a preliminary study in a Spanish paediatric population in relation with Dental Anomaly Pattern (DAP)

Table 5 Mean difference between chronological and dental age in chronological age subgroups, and statistical signification (p)

CA^a group (n)	Intragroup comparison (CA-DA^b)		Intragroup comparison (CA-DA) between the CA groups
	Mean (± SD^c) (yrs)	p	CA group	Mean (yrs)	Significance level (p)	CI^d (95%)
	Mean (± SD^c) (yrs)	p	CA group	Mean (yrs)	Significance level (p)	Upper limit	Lower limit
	DENTAL AGENESIS
≤ 8 (n = 20)	-0.41 (± 0.6)	0.434	8–10	-0.40929	0.594	-1.1785	0.36
≤ 8 (n = 20)	-0.41 (± 0.6)		> 10	-0.24153	1	-0.9697	0.4867
> 8–10 (n = 35)	-0.005 (± 0.97)		≤ 8	0.40929	0.594	-0.36	1.1785
> 8–10 (n = 35)	-0.005 (± 0.97)		> 10	0.16776	1	-0.4396	0.7751
> 10 (n = 49)	-0.17 (± 1.36)		≤ 8	0.24153	1	-0.4867	0.9697
> 10 (n = 49)	-0.17 (± 1.36)		8–10	-0.16776	1	-0.7751	0.4396
	CONTROL
≤ 8 (n = 35)	-0.48 (± 0.48)	0.007	8–10	-0.03371	1	-0.4978	0.4304
≤ 8 (n = 35)	-0.48 (± 0.48)		> 10	0.76762	0.015	0.1177	1.4175
> 8–10 (n = 50)	-0.45 (± 0.98)		≤ 8	0.03371	1	-0.4304	0.4978
> 8–10 (n = 50)	-0.45 (± 0.98)		> 10	0.80133	0.007	0.1814	1.4213
> 10 (n = 15)	-1.25 (± 1.08)		≤ 8	-0.76762	0.015	-1.4175	-0.1177
> 10 (n = 15)	-1.25 (± 1.08)		8–10	-0.80133	0.007	-1.4213	-0.1814

ISSN: 1472-6831