Table 3.

Cumulative Surgical Procedures to Repair Craniosynostosis, 1998–2012, National Inpatient Sample

Variables	No. Procedures
	1 Procedure (n = 27,634)		2 Procedures (n = 8,798)		3 Procedures (n = 1,257)		4 Procedures (n = 126)
	Number	%	Number	%	Number	%	Number	%
Age Categories
0–4 mo	3,965	14.4	874	10.0	103	8.2	4	3.2
5–12 mo	10,375	37.5	3,622	41.2	484	38.5	52	41.3
1–3 y	5,480	19.8	2,159	24.5	389	30.9	42	33.3
4–6 y	1,914	6.9	569	6.5	85	6.8	5	4.0
Missing	5,900	21.4	1,576	17.9	196	15.6	24	19.0
Year
1998	1,341	4.9	457	5.2	86	6.9	10	7.9
1999	1,881	6.8	583	6.6	83	6.6	9	7.3
2000	1,428	5.2	380	4.3	49	3.9	0	0
2001	1,684	6.1	452	5.1	92	7.4	5	3.9
2002	1,557	5.6	406	4.6	57	4.5	5	3.7
2003	1,387	5.0	427	4.8	40	3.2	4	3.5
2004	1,866	6.8	557	6.3	75	6.0	0	0
2005	2,895	10.5	1,048	11.9	160	12.8	28	21.9
2006	1,985	7.2	488	5.5	84	6.7	14	11.2
2007	1,499	5.4	467	5.3	51	4.0	0	0
2008	1,751	6.3	582	6.6	95	7.5	5	3.8
2009	1,743	6.3	740	8.4	102	8.1	5	3.8
2010	2,580	9.3	607	6.9	112	8.9	22	17.6
2011	1,905	6.9	784	8.9	76	6.1	5	3.7
2012	2,130	7.7	820	9.3	95	7.6	15	11.9