Table 2

Counts and rates (per 10 000 child-years) of admissions to hospital, by level of critical care, hospital type, year, age and sex of child: 2008/2009 to 2016/2017

High dependency care indicator*		Hospitals with a paediatric intensive care unit			Hospitals without a paediatric intensive care unit
High dependency care indicator*		N	Rate	95% CI	N	Rate	95% CI
Total		18 193	6.50	6.41 to 6.60	14 434	5.16	5.08 to 5.25
Year	2008/2009	1719	5.86	5.59 to 6.15	966	3.30	3.09 to 3.51
Year	2009/2010	1831	6.10	5.82 to 6.38	1328	4.42	4.19 to 4.67
	2010/2011	2067	6.73	6.45 to 7.03	1393	4.54	4.31 to 4.78
	2011/2012	2339	7.47	7.17 to 7.78	1450	4.63	4.40 to 4.88
	2012/2013	2289	7.19	6.90 to 7.49	1591	5.00	4.76 to 5.25
	2013/2014	2016	6.31	6.04 to 6.59	1713	5.36	5.12 to 5.62
	2014/2015	1974	6.20	5.93 to 6.48	1623	5.10	4.85 to 5.35
	2015/2016	1967	6.23	5.96 to 6.51	2002	6.34	6.07 to 6.63
	2016/2017	1991	6.38	6.10 to 6.66	2368	7.58	7.28 to 7.89
Age	7 days–<6 months	6402	22.66	22.11 to 23.22	8378	29.66	29.03 to 30.30
	6–<12 months	2606	9.22	8.87 to 9.58	1796	6.36	6.07 to 6.66
	1–4 years	9185	4.11	4.03 to 4.20	4260	1.91	1.85 to 1.97
Sex	Female	7899	5.80	5.68 to 5.93	6168	4.53	4.42 to 4.65
	Male	10 294	7.19	7.05 to 7.33	8266	5.77	5.65 to 5.90
Percentile		25th	50th	75th	25th	50th	75th
Length of stay (days)		4	8	17	2	4	7
Intensive care indicator†		N	Rate	95% CI	N	Rate	95% CI
Total		12 114	4.33	4.26 to 4.41	2309	0.83	0.79 to 0.86
Year	2008/2009	836	2.85	2.67 to 3.05	185	0.63	0.55 to 0.73
Year	2009/2010	1158	3.86	3.64 to 4.09	183	0.61	0.53 to 0.70
	2010/2011	1207	3.93	3.72 to 4.16	241	0.79	0.69 to 0.89
	2011/2012	1331	4.25	4.03 to 4.49	265	0.85	0.75 to 0.95
	2012/2013	1442	4.53	4.30 to 4.77	260	0.82	0.72 to 0.92
	2013/2014	1525	4.78	4.54 to 5.02	263	0.82	0.73 to 0.93
	2014/2015	1604	5.04	4.80 to 5.31	279	0.88	0.78 to 0.99
	2015/2016	1596	5.06	4.81 to 5.31	298	0.94	0.84 to 1.06
	2016/2017	1415	4.53	4.30 to 4.77	335	1.07	0.96 to 1.19
Age	7 days to <6 months	5454	19.31	18.81 to 19.83	877	3.11	2.91 to 3.32
	6 to <12 months	1785	6.32	6.03 to 6.62	296	1.05	0.94 to 1.17
	1 to 4 years	4875	2.18	2.12 to 2.25	1136	0.51	0.48 to 0.54
Sex	Female	5144	3.78	3.68 to 3.88	991	0.73	0.68 to 0.78
	Male	6970	4.87	4.75 to 4.98	1318	0.92	0.87 to 0.97
	Percentile	25th	50th	75th	25th	50th	75th
Length of stay (days)		4	9	18	1	2	4

*High dependency care includes non-invasive ventilation, central venous pressure monitoring, diabetic ketoacidosis, dialysis, intracranial pressure monitoring, cardiopulmonary resuscitation, arterial pressure monitoring, plasma filtration and red cell exchange.
†Intensive care includes invasive ventilation, endotracheal intubation, tracheostomy and extracorporeal membrane oxygenation.