Table 1. Comparison of the dosimetric parameters for the duodenum, stomach, and small intestine between group A and other groups. A paired t-test was used to analyze the statistical difference.

Variable	Duodenum				Stomach				Intestine
	A vs. B	A vs. C	A vs. D		A vs. B	A vs. C	A vs. D		A vs. B	A vs. C	A vs. D
D1	0.688	0.401	0.356		0.740	0.389	0.283		0.978	0.832	0.701
D3	0.135	0.535	0.749		0.811	0.496	0.231		0.723	0.566	0.976
D5	0.308	0.943	0.650		0.620	0.629	0.264		0.333	0.136	0.669
D10	0.628	0.681	0.380		0.627	0.779	0.246		0.094	0.054	0.477
V5	0.022*	0.126	0.018*		0.014*	0.594	0.001*		0.029*	0.026*	0.011*
V10	0.148	0.145	0.026*		0.188	0.166	0.052		0.505	0.926	0.942
V15	0.278	0.063	0.035*		0.666	0.411	0.259		0.374	0.249	0.257
V20	0.095	0.091	0.071		0.885	0.508	0.511		0.183	0.212	0.098
V25	0.527	0.281	0.310		0.446	0.673	0.604		0.950	0.154	0.061
V30	0.284	0.065	0.055		0.366	0.990	0.329		0.055	0.198	0.087
V35	0.914	0.077	0.057		0.387	0.849	0.283		0.095	0.060	0.371
V40	0.411	0.423	0.202		0.298	0.682	0.769		0.176	0.188	0.204
V45	0.091	0.116	0.369		0.195	0.249	0.486		0.586	0.635	0.665

*, P value <0.05.