Table 4.

Annual net CT profits by prefecture.

Prefectures	Number of CT (unit)		Annual income (USD)		Annual cost (USD)		Annual net profits (USD)
	SSCT	MSCT	SSCT	MSCT	SSCT	MSCT	SSCT	MSCT
Hokkaido	299	514	81,640	401,362	78,740	341,262	2,900	60,100
Aomori	98	105	52,472	332,376	71,991	317,480	−19,519	14,896
Iwate	73	99	61,072	325,719	73,981	302,462	−12,909	23,257
Miyagi	51	107	62,830	484,085	74,388	369,533	−11,558	114,552
Akita	39	58	84,725	477,326	79,454	351,645	5,271	125,681
Yamagata	40	71	98,886	504,055	82,731	362,363	16,155	141,692
Ibaraki	97	206	50,002	405,071	71,419	339,596	−21,417	65,475
Tochigi	82	134	48,789	381,344	71,139	330,828	−22,350	50,516
Gumma	68	149	49,396	363,517	71,279	333,843	−21,883	29,673
Saitama	168	375	82,847	439,904	79,019	341,046	3,827	98,858
Chiba	111	301	66,655	546,237	75,273	380,500	−8,618	165,737
Tokyo	273	771	75,384	513,917	77,293	371,510	−1,908	142,407
Kanagawa	186	379	85,273	573,968	79,581	382,055	5,692	191,914
Niigata	106	133	62,625	491,118	74,340	353,869	−11,716	137,249
Toyama	72	75	41,642	500,449	69,485	381,549	−27,843	118,900
Ishikawa	51	88	60,901	484,272	73,941	357,270	−13,040	127,002
Fukui	38	71	55,641	384,049	72,724	315,019	−17,083	69,029
Yamanashi	29	52	93,532	399,833	81,492	337,143	12,040	62,690
Nagano	67	156	81,807	447,185	78,779	341,346	3,029	105,839
Gifu	116	127	50,535	533,854	71,543	365,959	−21,007	167,894
Shizuoka	143	214	54,633	483,327	72,491	348,794	−17,858	134,534
Aichi	236	371	64,328	600,490	74,734	391,935	−10,406	208,556
Mie	100	93	52,344	563,042	71,961	394,928	−19,618	168,114
Shiga	27	70	68,535	577,821	75,708	398,084	−7,173	179,737
Kyoto	53	156	74,071	560,469	76,989	391,981	−2,918	168,488
Osaka	254	550	75,957	522,819	77,425	361,193	−1,468	161,626
Hyogo	188	370	68,975	462,447	75,809	357,625	−6,835	104,822
Nara	31	87	55,662	527,058	72,729	382,284	−17,067	144,773
Wakayama	67	99	50,343	398,680	71,498	330,218	−21,155	68,462
Tottori	25	50	56,654	469,409	72,959	349,799	−16,305	119,609
Shimane	23	58	69,320	429,558	75,889	347,199	−6,569	82,359
Okayama	84	187	56,198	380,120	72,853	326,420	−16,655	53,699
Hiroshima	137	237	59,510	375,147	73,620	322,812	−14,109	52,336
Yamaguchi	99	129	54,671	375,691	72,500	321,414	−17,829	54,277
Tokushima	69	98	38,360	277,958	68,726	284,892	−30,366	−6,934
Kagawa	77	93	56,480	382,089	72,918	342,736	−16,438	39,353
Ehime	86	129	49,698	422,764	71,349	344,898	−21,651	77,867
Kochi	64	92	41,235	287,891	69,391	305,542	−28,156	−17,651
Fukuoka	239	365	71,394	429,842	76,369	352,738	−4,975	77,104
Saga	40	82	49,970	315,952	71,412	307,777	−21,442	8,174
Nagasaki	81	121	73,779	426,393	76,921	348,677	−3,142	77,716
Kumamoto	106	195	48,526	305,410	71,078	302,632	−22,552	2,779
Oita	65	152	46,174	331,384	70,534	317,059	−24,360	14,326
Miyazaki	74	99	67,801	312,876	75,538	321,076	−7,737	−8,199
Kagoshima	131	192	65,979	285,258	75,116	312,057	−9,137	−26,799
Okinawa	34	86	40,187	426,489	69,148	366,257	−28,961	60,232
Mean	100	181	62,118	433,044	74,223	345,811	−12,105	87,233

SSCT, single-slice computed tomography; MSCT, multi-slice computed tomography.