Table 2.

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

Variables	Opening of Cranial Suture (n =14,088)		Formation of CranialBone Flap (n = 5,387)		Bone Graft to Skull (n = 7,973)		Other Cranial Osteoplasty (n = 22,057)
Age Categories	Number	%	Number	%	Number	%	Number	%
0–4 mo	3,036	21.6	353	6.6	441	5.5	2,205	10.0
5–12 mo	5,309	37.7	2,212	41.1	2,799	35.1	8,959	40.6
1–3 y	1,998	14.2	1,456	27.0	2,405	30.2	5,273	23.9
4–6 y	260	1.8	287	5.3	960	12.0	1,818	8.2
Missing	3,486	24.7	1,080	20.0	1,368	17.2	3,802	17.2
Year
1998	1,165	8.3	192	3.6	309	3.9	888	4.0
1999	1,095	7.8	408	7.6	398	5.0	1,431	6.5
2000	614	4.4	192	3.6	388	4.9	1,140	5.2
2001	871	6.2	333	6.2	480	6.0	1,200	5.4
2002	780	5.5	408	7.6	392	4.9	979	4.4
2003	710	5.0	311	5.8	321	4.0	1,037	4.7
2004	998	7.1	336	6.2	482	6.0	1,390	6.3
2005	1,327	9.4	487	9.0	917	11.5	2,852	12.9
2006	796	5.7	328	6.1	609	7.6	1,536	7.0
2007	739	5.2	254	4.7	345	4.3	1,246	5.6
2008	853	6.1	371	6.9	559	7.0	1,436	6.5
2009	859	6.1	246	4.6	639	8.0	1,807	8.2
2010	1,130	8.0	643	11.9	499	6.3	1,947	8.8
2011	1,058	7.5	584	10.8	770	9.7	1,309	5.9
2012	1,095	7.8	295	5.5	865	10.8	1,860	8.4