From: Impact of a low FODMAP diet on the amount of rectal gas and rectal volume during radiotherapy in patients with prostate cancer – a prospective pilot study
Score
Gas‘proportion of rectal volume
CG (n = 266)
IG (n = 280)
1
0 – 5%
16 (6.0%)
24 (8.6%)
2
5 – 25%
94 (35.3%)
131 (46.8%)
3
25 – 50%
73 (27.4%)
82 (29.3%)
4
50 – 75%
67 (25.2%)
35 (12.5%)
5
75 – 100%
8 (2.9%)