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Table 6 Gamma passing rates of the transmission factor verification measurements in the clinical plans (unit: %)

From: Validation of new transmission detector transmission factors for online dosimetry: an experimental study

Criteria Original plan without Dolphin
Average ± standard deviation (range)
Normalized plan with Dolphin
Average ± standard deviation (range)
Portal dosimetry ArcCheck Portal dosimetry ArcCheck
2%/2 mm 98.1 ± 2.1 (95.2 ~  100) 97.3 ± 3.2 (91.2 ~  100) 97.2 ± 2.8 (94.3 ~  98.2) 96.9 ± 2.9 (90.1 ~  98.3)
1%/1 mm 82.9 ± 12.6 (69.1 ~  99.5) 81.4 ± 15.3 (57.2 ~  98.2) 79.1 ± 14.8 (73.2 ~  98.3) 75.8 ± 18.8 (61.9 ~  94.3)