Table 3.

Equieffective dose in 2 Gy in available literatures

Literature	Year of study	No. of patients	EBRT dose (Gy)	BT dose × fractions	Bladder 2 cm3 (Gy3)	Rectum 2 cm3 (Gy3)	Sigmoid 2 cm3 (Gy3)	D90 CTVHR (Gy10)
Pötter et al. [9]	2011	156	50.4	7 Gy × 4	86	65	64	93
Jamalludin et al. [10]	2016	A	48.6	7 Gy × 4	80.8	81.7	73.9	–
		B	45.4	7.5 Gy × 3	80.4	82.8	65.9	–
Kirisits et al. [11]	2005	22	45	7 Gy × 4	83	64	63	87
Beriwal et al. [12]	2011	44	45	5-6 Gy × 4	79.7	57.5	66.8	83.3
Tharavichitkul et al. [13]	2013	47	45	6.5-7 Gy × 4	88.2	69.6	72	93.1
Nomden et al. [14]	2013	46	45	7 Gy × 4	83	66	61	84
Wang et al. [15]	2016	42	46	5 Gy × 5	86	72.9	73.27	73.82
Present study		50	45	5.5 Gy × 5	74.06	67.43	54.56	85.9
			45	6.5 Gy × 4	73.75	67.57	54.43	84.67
			45	7 Gy × 4	77.27	71.11	55.44	89.03
			45	9 Gy × 2	68.58	64.82	52.14	69.16

EBRT – external beam radiotherapy, BT – brachytherapy, D₉₀ – dose received by 90% of the CTV_HR