Table 2.

Brachytherapy technical parameters and rectal dose according to applicator type

Factors		Fletcher	Utretch	p-value
Rectal length (cm)
No enema	8.46 ± 0.38	8.14 ± 0.28	0.492
Enema	8.02 ± 0.27	7.71 ± 0.22	0.388
Intrauterine loading (cm)
No enema	5.72 ± 0.26	5.22 ± 0.35	0.265
Enema	5.5 ± 0.19	5.33 ± 0.27	0.615
Δ rectal volume (cc)	−1.06 ± 3.83	0.04 ± 4.86	0.862
ΔD0.1cc (Gy)	−0.33 (1.68)	0.74 (2.11)	0.082
ΔD1cc (Gy)	−0.2 (0.78)	0.63 (1.9)	0.151
ΔD2cc (Gy)	−0.07 (0.52)	0.52 (1.55)	0.151
ΔD5cc (Gy)	−0.09 (0.55)	0.43 (1.14)	0.131

Data are expressed as mean ± SD or as median (iqr), Δ – difference, D_xcc – dose to maximum x volume

ΔD_xcc : DVH difference – ΔDVH_parameter = DVH_{No enema} – DVH_Enema