Table 4.

Overall correlation matrix among volumes, efficiency, capacity, waiting times and recourse to private providers

		MRI										CT
		Efficiency			Capacity			Private	Volumes		Times	Efficiency			Capacity			Private	Volumes		Times
		Scan efficiency	Radiologist efficiency	Staff efficiency	Scan per inhabitants	Radiologist per inhabitants	Staff per inhabitants	Percentage of service delivered by private	Use rates	Public use rates	Waiting Times	Scan efficiency	Radiologist efficiency	Staff efficiency	Scan per inhabitants	Radiologist per inhabitants	Staff per inhabitants	Percentage of service delivered by private	Use rates	Public use rates	Waiting Times
Efficiency	Scan efficiency	1										1
	Radiologist efficiency	−0.0788	1									0.2216	1
		0.8078										0.4888
	Staff efficiency	−0.5275	0.8131	1								0.4521	0.817	1
		0.078	0.0013									0.14	0.0012
Capacity	Scan per inhabitants	−0.4495	0.8416	0.9104	1							−0.6173	0.4171	0.3067	1
		0.1427	0.0006	0								0.0325	0.1773	0.3322
	Radiologist per inhabitants	0.1887	0.4507	0.3739	0.596	1						−0.0299	−0.8122	−0.4847	−0.1716	1
		0.557	0.1414	0.2312	0.0408							0.9265	0.0013	0.1103	0.5939
	Staff per inhabitants	0.6341	0.4748	0.02	0.2942	0.7496	1					−0.3789	−0.6572	−0.8259	−0.057	0.6346	1
		0.0268	0.1189	0.9508	0.3533	0.005						0.2246	0.0202	0.0009	0.8604	0.0266
Private	Percentage of service delivered by private	0.28	−0.8058	−0.8455	−0.9191	−0.741	−0.4352	1				−0.1636	−0.7513	−0.7322	−0.5105	0.522	0.6129	1
		0.3781	0.0016	0.0005	0	0.0058	0.1573					0.6114	0.0049	0.0068	0.0899	0.0817	0.0341
Volumes	Use rates	0.5402	0.5387	0.2023	0.1772	0.192	0.4798	−0.1129	1			0.0957	−0.4271	−0.2436	−0.2243	0.4802	0.1344	0.0725	1
		0.0698	0.0707	0.5283	0.5816	0.55	0.1144	0.7268				0.7674	0.1662	0.4456	0.4834	0.1141	0.6772	0.8228
	Public use rates	−0.1335	0.9033	0.8429	0.9149	0.7373	0.5395	−0.9633	0.3634	1		0.263	0.3699	0.5014	0.2821	−0.1249	−0.4652	−0.8201	0.4483	1
		0.6792	0.0001	0.0006	0	0.0062	0.0702	0	0.2457			0.4089	0.2366	0.0968	0.3743	0.6988	0.1275	0.0011	0.1439
Waiting times	Waiting times	−0.1195	0.1737	0.188	0.2542	0.0059	−0.0321	−0.0568	0.2384	0.1315	1	−0.0268	−0.1965	−0.1096	−0.274	0.0866	−0.0078	0.4088	0.1193	−0.3175	1
		0.7113	0.5892	0.5584	0.4253	0.9856	0.9211	0.8607	0.4556	0.6837		0.9341	0.5404	0.7346	0.3887	0.789	0.9809	0.1871	0.712	0.3145

p Values in italics.