Table 1. Published prospective trials evaluating proton beam radiotherapy for hepatocellular carcinoma.

Study (year published)	No. patients	Child-Pugh class A (%)	Dose/fractions	Local control, 3 years (%)	Survival, 3 years (%)
Kawashima [2005]	30	66	76 Gy/20 fx	96	62
Fukumitsu [2009]	51	80	66 Gy/10 fx	95	49
Bush [2011]	76	29	63 Gy/15 fx	80*	~24
Hong [2016]	44	73	58 Gy/15 fx	95 (2 years)	63 (2 years)
Bush [2016]	33	N.R.	70.2 Gy/15 fx	88	N.R.

*, crude rate. N.R., not reported.