A preliminary outcome analysis of the patterns of care study in Japan for esophageal cancer patients with special reference to age: non surgery group

Tanisada, Kazuaki; Teshima, Teruki; Ikeda, Hiroshi; Abe, Mitsuyuki; Owen, Jean B.; Hanks, Gerald E.; Yamashita, Takashi; Nishio, Makoto; Yamada, Satoshi; Sakai, Kunio; Hiraoka, Masahiro; Hirokawa, Yutaka; Oguchi, Masahiko; Inoue, Toshihiko

doi:10.1016/s0360-3016(99)00518-0

Cited by 32 publications

(22 citation statements)

References 17 publications

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“…The PCS was introduced in Japan in 1996 [8][9][10][11][12][13][14][15][16][17]. The Japanese PCS employed methods similar to those of the American version, which used structural stratification to analyze national averages for the data for each survey item by means of two-stage cluster sampling.…”

Section: Methodsmentioning

confidence: 99%

Japanese Structure Survey of Radiation Oncology in 2007 Based on Institutional Stratification of Patterns of Care Study

Teshima

Numasaki

Shibuya

et al. 2010

International Journal of Radiation Oncology*Biology*Physics

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The ongoing structure of radiation oncology in Japan in terms of equipment, personnel, patient load and geographic distribution was evaluated in order to radiation identify and improve any deficiencies. A questionnaire-based national structure survey was conducted from March 2010 to January 2011 by the Japanese Society for Therapeutic Radiology and Oncology (JASTRO). These data were analyzed in terms of the institutional stratification of the Patterns of Care Study (PCS). The total numbers of new cancer patients and total of cancer patients (new and repeat) treated with radiation in 2009 were estimated at 201,000 and 240,000, respectively. The type and numbers of systems in actual use consisted of Linac (816), telecobalt (9), Gamma Knife (46), 60 Co remote afterloading system (RALS) (29) and 192 Ir RALS systems (130). The Linac systems used dual energy function for 586 (71.8%), 3DCRT for 663 (81.3%) and IMRT for 337 units (41.3%). There were 529 JASTRO-certified radiation oncologists (ROs), 939.4 full-time equivalent (FTE) ROs, 113.1 FTE medical physicists and 1836 FTE radiation therapists. The frequency of interstitial radiation therapy use for prostate and of intensity-modulated radiotherapy increased significantly. PCS stratification can clearly identify the maturity of structures based on their academic nature and caseload. Geographically, the more JASTRO-certified physicians there were in a given area, the more radiation therapy tended to be used for cancer patients. In conclusion, the Japanese structure has clearly improved during the past 19 years in terms of equipment and its use, although a shortage of manpower and variations in maturity disclosed by PCS stratification remained problematic in 2009.

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Section: Methodsmentioning

confidence: 99%

Japanese Structure Survey of Radiation Oncology in 2007 Based on Institutional Stratification of Patterns of Care Study

Teshima

Numasaki

Shibuya

et al. 2010

International Journal of Radiation Oncology*Biology*Physics

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“…They established the national and international benchmarks of esophageal cancer treatments and showed the role of RT in multidisciplinary management of this disease. The Japanese PCS group conducted two large surveys in the 1990s and reported patient backgrounds and RT practices for esophageal cancer (5,6). A summary of patient backgrounds and treatments from three Japanese PCSs and two U.S. PCSs is shown in Table 6.…”

Section: Discussionmentioning

confidence: 99%

Radiation Therapy for Esophageal Cancer in Japan: Results of the Patterns of Care Study 1999–2001

Kenjo

Umemura

Murakami

et al. 2009

International Journal of Radiation Oncology*Biology*Physics

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“…This study was supported by the Ministry of Health and Welfare (Grants-inAid for Cancer Research Nos. [8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27], and 10-17) [6][7][8][9][10]. The database was developed by modifying the original United States data format devised in 1994 for breast cancer, esophagus cancer, and cervix cancer.…”

Section: Methodsmentioning

confidence: 99%

Logical Checking Function Increases the Accuracy of Data Entry in the Patterns of Care Study

et al. 2003

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A preliminary outcome analysis of the patterns of care study in Japan for esophageal cancer patients with special reference to age: non surgery group

Cited by 32 publications

References 17 publications

Japanese Structure Survey of Radiation Oncology in 2007 Based on Institutional Stratification of Patterns of Care Study

Japanese Structure Survey of Radiation Oncology in 2007 Based on Institutional Stratification of Patterns of Care Study

Radiation Therapy for Esophageal Cancer in Japan: Results of the Patterns of Care Study 1999–2001

Logical Checking Function Increases the Accuracy of Data Entry in the Patterns of Care Study

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