Document Classification

Section Type: RESULTS

Text: Mean endoscopic reduction of BO at six weeks was 51 % (range 20-100 %) in the PDT100 group, 86 % (range 0-100 %) in the PDT20 +100 group, and 93 % (range 40-100 %) in the APC group (PDT100 v PDT20 +100, p < 0. 005 ; PDT100 v APC, p < 0. 005 ; and PDT20 +100 v APC, NS) with histologically complete ablation in 1/13 (8 %) patients in the PDT100 group, 4/12 (33 %) in the PDT20 +100 group, and 5/14 (36 %) in the APC group (NS).