BMC Health Services Research

Table 2 Results of the descriptive statistics of hip and knee replacements and Mammacare

From: Influences of hospital information systems, indicator data collection and computation on reported Dutch hospital performance indicator scores

		2008				2009				2010
	PI	N	M	SD	Range	N	M	SD	Range	N	M	SD	Range	IS
HR	2b	64	99.92	0.602	95 –100	95	99.8	0.949	93 – 100	94	99.9	0.30	98 – 100	53
	4b	52	91.27	22.79	0 – 100	91	90.6	15.24	0 - 100	93	16.13	26.58	0 – 100	6
	5b	65	100	0.000	100 - 100	96	99.7	1.402	93 - 100	94	101.0	15.65	70 – 100	53
	5c	59	97.38	14.00	0 – 100	94	98.0	5.827	66 - 100	93	98.9	16.98	64 – 100	37
	5d	60	0.816	0.740	0 – 2.7	93	0.719	0.674	0 – 2.75	93	0.754	0.804	0 – 4	5
GM		60	78	8	/	94	78	5	/	93	63	12	/	37
KR	2b	63	99.92	0.663	95 - 100	94	99.8	0.834	93 - 100	93	100	0.246	98 – 100	52
	4b	54	91.17	25.72	0 - 100	89	95.6	10.99	0 - 100	92	11.65	27.15	0 – 100	7
	5b	64	100	0.00	100 - 100	95	99.8	1.101	92 - 100	93	99.6	2.342	78 – 100	52
	5c	59	96.84	15.71	0 - 100	93	97.8	6.52	60 - 100	92	96.8	8.979	49 – 100	39
	5d	59	0.50	0.649	0 – 3	92	0.554	0.631	0 – 3.2	92	0.544	0.616	0 – 3.3	6
GM		60	78	9	/	93	79	4	/	92	62	8	/	37
BC	1	68	100	5.055	75 – 100	/	/	/	/	/	/	/	/	/
	2	68	100	3.200	85 – 100	/	/	/	/	/	/	/	/	/
	3	66	9.675	5.464	0 – 24	95	9.215	4.733	0 – 29	94	7.279	4.026	0.95 - 23	0
	4	68	41.4	12.68	10 - 75	95	38.5	11.53	10 - 60	/	/	/	/	/
	5	63	90.48	14.92	17 - 100	95	89.2	10.30	51 - 100	94	88.9	11.85	34 – 100	0
	6a	57	2.130	2.247	0 -11	89	1.748	1.945	0 - 9	93	1.490	1.703	0 – 8	0
	6b	57	2.700	2.838	0 - 11	90	2.581	2.522	0 - 11	93	2.455	2.351	0 - 10	0
	7	65	100	5.568	74 - 100	/	/	/	/	/	/	/	/	/
GM		64	56	6	/	93	28	6	/	94	25	5	/	0

Note: PI Performance Indicator, N number of hospitals, M mean, SD standard deviation, GM grand mean, IS Implausible Score (100% or 0% score three consecutive years), HR Hip replacements, KR Knee replacements, BC Breast Cancer; Number of hospitals vary slightly throughout the text due to differences in how hospitals are enrolled in the study (concerns vs separate hospitals). Note 2: No perfect score defined for Performance indicator BC 4.

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ISSN: 1472-6963

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