Table 3.

Craniofacial components. Mean centroid sizes of the age classes and their 95% confidence intervals

		Neurobasicranial complex			Ethmomaxillary complex			Mandible
Age group	Years	mean	95%–	95%+	mean	95%–	95%+	mean	95%–	95%+
G1	2–3 years	17.25	16.86	17.60	2.92	2.82	3.00	4.12	3.98	4.24
G2	4–5 years	17.80	17.64	17.97	3.21	3.17	3.26	4.47	4.39	4.55
G3	6–7 years	18.24	18.08	18.41	3.43	3.39	3.48	4.86	4.79	4.94
G4	8–9 years	18.42	18.27	18.59	3.59	3.55	3.63	5.17	5.11	5.23
G5	10–11 years	18.66	18.50	18.82	3.78	3.72	3.83	5.43	5.35	5.52
G6	12–13 years	18.76	18.59	18.94	3.92	3.87	3.98	5.63	5.55	5.70
G7	14–15 years	18.88	18.67	19.07	4.07	4.02	4.11	5.88	5.80	5.95
G8	16–17 years	19.03	18.83	19.23	4.19	4.13	4.24	6.12	6.03	6.21
G9	18 and more	19.11	18.89	19.30	4.26	4.19	4.32	6.23	6.11	6.35