Impact of treatment planning and delivery factors on gastrointestinal toxicity: an analysis of data from the RADAR prostate radiotherapy trial

Table 1 GI endpoints, the scoring system, baseline criteria for exclusion and the prevalence at 18-, 36- and 54-month follow-up

Scoring system selected endpoint	Baseline criteria & grade cut–point	Prevalence at
Scoring system selected endpoint	Baseline criteria & grade cut–point	18-month	36-month	54-month
CTC v2.0[21]
Proctitis	>0	134/713	116/639	83/482
LENT–SOMA[22]
Stool frequency	>0	264/716	220/639	168/487
Tenesmus	>0	198/716	174/638	116/487
Rectal bleeding	>0	134/716	140/639	114/487

CTC v2.0, Common Toxicity Criteria (version 2); LENT-SOMA, Late Effects of Normal Tissues-Subjective, Objective, Management, Analytic.

ISSN: 1748-717X