Table 3. Descriptive statistics for spheno-occipital synchondrosis closure in study population.

	n	Mean age (years)	SD	95% CI mean age	Median age	Range
Males
Stage 0	145	11.07	1.91	10.75–11.37	11.08	6.90–15.80
Stage 1	48	12.95	1.38	12.54–13.34	13.20	10.50–15.70
Stage 2	48	14.44	1.06	14.13–14.75	14.60	11.50–16.40
Stage 3	120	16.41	1.40	16.15–16.66	16.50	12.30–19.60
Females
Stage 0	110	9.75	1.3	9.50–10.00	9.82	6.75–15.4
Stage 1	37	11.67	0.93	11.35–11.97	11.80	10.30–13.60
Stage 2	44	13.25	1.19	12.89–13.61	12.95	11.10–15.60
Stage 3	189	15.25	1.89	14.97–15.51	15.40	10.60–20.40