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. 2015 Aug 21;49(3):307–313. doi: 10.1515/raon-2015-0021

TABLE 1.

Average passing rates for film, diode array (Mapcheck), ion chamber array (MatriXX) and electronic portal imaging device (EPID) for intensity modulated radiation therapy (IMRT) quality assurance (QA) in four different institutions in Korea

Film Mapcheck MatriXX EPID
Mean 96.80 98.90 99.40 97.10
Standard deviation 0.94 0.55 0.48 1.12