Document Classification

Section Type: RESULTS

Text: Compared with the control group, the group receiving multipolar electrocoagulation showed marked improvement in the following variables ; rebleeding (18 % compared with 41 %, P less than 0. 05 ; difference, 23 % ; 95 % CI, 3 % to 43 %) ; need for emergency surgery (8 % compared with 30 %, P less than 0. 05 ; difference, 22 % ; CI, 5 % to 39 %) ; mean number of hospital days (4. 3 + / - 0. 4 compared with 6. 2 + / - 0. 7, P less than 0. 05 ; difference, 1. 9 ; CI, 0. 4 to 3. 4) ; and cost of hospitalization ($ 3790 + / - $ 410 compared with $ 5730 + / - $ 650, P less than 0. 05 ; difference, $ 1940 ; CI, $ 400 to $ 3480).