Table 2

Hospital referrals for maltreatment-related concern investigations in Ontario (1993–2013)

	OIS-1993				OIS-1998				OIS-2003				OIS-2008				OIS-2013
	Estimate	%	Rate per 1000	95% CIs	Estimate	%	Rate per 1000	95% CIs	Estimate	%	Rate per 1000	95% CIs	Estimate	%	Rate per 1000	95% CIs	Estimate	%	Rate per 1000	95% CIs
Hospital referral investigations	2463	5	1.12	0.91 to 1.34	1822	3	0.77*	0.10 to 1.45	4159	3	1.74**	1.15 to 2.31	6506	5	2.73*	1.83 to 3.63	5798	5	2.47	1.24 to 3.69
Total investigations	46 860	100	21.41	18.38 to 24.42	64 658	100	27.43	16.73 to 38.13	1 28 108	100	53.59	40.04 to 67.14	1 28 748	100	54.05	41.07 to 67.03	1 25 281	100	53.32	29.61 to 77.03