Inpatient satisfaction and job satisfaction/stress of medical workers in a hospital with the 7:1 nursing care system (in which 1 nurse cares for 7 patients at a time)

Table 5 Profitability of the hospital for 10 cardiac and metabolic diseases under the 10:1 and 7:1 systems

DPC code (disease)	2007 under the 10:1 system			2008 under the 7:1 system
DPC code (disease)	DPC (points)	Profits (points)	Profits (%)	DPC (points)	Profits (points)	Profits (%)
050030 (acute myocardial infarction)	9,485,142	−65,882	−0.69	15,217,670	−84,707	−0.56
050050 (angina pectoris)	68,777,051	1,283,631	1.87	76,811,532	1,800,394	2.34
050070 (tachyarrhythmia)	19,329,158	227,492	1.18	18,254,244	−123,544	−0.68
050080 (valvular heart disease)	24,243,458	−1,039,821	−4.29	32,027,210	−96,662	−0.30
050130 (heart failure)	12,503,913	439,992	3.52	18,792,053	848,201	4.51
050170 (arteriosclerosis obliterans)	6,226,082	−159,658	−2.56	7,833,074	−245,290	−3.13
050210 (bradyarrhythmia)	989,768	13,795	1.39	830,412	−6,928	−0.83
100060 (diabetes mellitus, type 1)	989,768	13,795	1.39	986,975	−1,910	−0.19
100070 (diabetes mellitus, type 2)	7,033,595	277,510	3.95	11,601,112	−118,953	−1.03
100140 (hyperthyroidism)	1,390,971	104,148	7.49	2,130,503	185,255	8.70
Total	150,968,906	1,095,002	0.73	184,484,785	2,155,856	1.17

Profits were calculated as DPC-FFS, and percentage profits as profits/DPC. One point is equivalent to 10 yen

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