Document Classification

Section Type: RESULTS

Text: In each of the five segments, the visibility score was significantly higher in group B than in group A (segment 1 : 4. 3 0. 7 vs 4. 7 0. 5, P = 0. 03 ; segment 2 : 4. 2 0. 9 vs 4. 8 0. 4, P = 0. 01 ; segment 3 : 4. 0 1. 0 vs 4. 6 0. 7, P = 0. 04 ; segment 4 : 3. 6 1. 1 vs 4. 5 0. 6, P = 0. 003 ; segment 5 : 2. 7 1. 0 vs 4. 4 0. 8, P = 0. 00004).