Table 4.
Mean score for the endoscopic assessment of mucosal lesions comparing experienced and inexperienced endoscopists
| Normal | Mild | Mild-Moderate | Moderate-Severe | Severe | |||||||
| Exp | Unexp | Exp | Unexp | Exp | Unexp | Exp | Unexp | Exp | Unexp | ||
| Vascular pattern |
 (SD) |
0,4 (0,6) | 0,5 (0,8) | 7,7 (1,7) | 6,8 (2,5) | 8,1 (1,0) | 7,4 (2,4) | 8,2 (0,9) | 7,2 (2,6) | 8,9 (0,5) | 8,9 (0,8) |
| CV(%) | 13% | 17% | 34% | 53% | 21% | 51% | 19% | 55% | 11% | 17% | |
| Erythema |
(SD) |
1,0 (1,4) | 2,3 (3,4) | 6,7 (2,2) | 6,9 (2,9) | 6,9 (2,1) | 6,5 (3,0) | 8,1 (0,9) | 7,6 (2,4) | 9,0 (0,4) | 8,8 (0,8) |
| CV(%) | 30% | 72% | 47% | 62% | 45% | 64% | 19% | 51% | 9% | 17% | |
| Oedema |
(SD) |
0,4 (0,6) | 0,7 (1,1) | 5,3 (2,9) | 5,5 (3,1) | 5,9 (2,1) | 6,8 (2,8) | 7,1 (1,9) | 6,4 (3,2) | 8,7 (0,7) | 8,9 (0,7) |
| CV(%) | 13% | 23% | 62% | 66% | 45% | 60% | 40% | 68% | 15% | 15% | |
| Granularity |
(SD) |
0,5 (0,6) | 0,5 (0,5) | 4,6 (3,2) | 2,7 (3,2) | 5,9 (2,7) | 6,3 (2,8) | 6,5 (2,3) | 6,2 (3,2) | 8,7 (0,8) | 8,8 (1,1) |
| CV(%) | 13% | 11% | 68% | 68% | 46% | 60% | 49% | 68% | 17% | 23% | |
| Blood in lumen |
(SD) |
0,4 (0,6) | 0,4 (0,4) | 0,5 (0,5) | 1,7 (3,0) | 1,2 (1,4) | 2,3 (3,2) | 5,4 (2,7) | 4,6 (3,7) | 8,8 (0,7) | 8,8 (0,9) |
| CV(%) | 13% | 9% | 11% | 64% | 30% | 68% | 57% | 79% | 15% | 17% | |
| Erosions |
(SD) |
0,3 (0,5) | 0,3 (0,3) | 0,9 (1,2) | 2,6 (3,3) | 3,8 (2,9) | 3,2 (3,4) | 7,4 (1,7) | 7,0 (2,7) | 8,6 (0,8) | 9,0 (0,4) |
| CV(%) | 11% | 6% | 26% | 70% | 62% | 72% | 36% | 57% | 17% | 8% | |
| Ulcerations |
(SD) |
0,3 (0,3) | 0,3 (0,3) | 0,4 (0,3) | 1,3 (2,3) | 1,1 (2,3) | 2,1 (2,2) | 6,2 (2,9) | 4,1 (3,2) | 7,0 (2,9) | 8,6 (1,8) |
| CV(%) | 6% | 6% | 6% | 49% | 49% | 47% | 62% | 68% | 55% | 38% | |
| Friability |
(SD) |
0,4 (0,5) | 0,4 (0,5) | 1,7 (2,0) | 1,4 (2,1) | 2,4 (2,1) | 2,8 (2,8) | 5,0 (2,9) | 6,1 (2,5) | 8,8 (0,5) | 8,9 (0,9) |
| CV(%) | 11% | 11% | 43% | 45% | 60% | 60% | 62% | 53% | 11% | 19% | |
| EAI |
(SD) |
0,3 (0,3) | 0,3 (0,5) | 2,7 (0,9) | 2,9 (2,3) | 3,9 (1,3) | 3,9 (2,1) | 7,3 (1,1) | 6,3 (1,8) | 9,0 (0,6) | 9,1 (0,4) |
| CV(%) | 6% | 11% | 19% | 49% | 28% | 45% | 23% | 38% | 13% | 9% | |
X = Mean score, SD = Standard deviation, CV(%) = Coefficient of variance, Exp = Experienced, Inexp = Inexperienced, Vasc patt = Vascular pattern, Blood in lu = blood in lumen, EAI = Endoscopic activity index