Baseline patient characteristics
Chromoendoscopy group (n=66) | Narrow band imaging group (n=65) | p Value OR (95% CI) | |
Age in years (median, IQR (p25–p75)) | 52.5 (43.0–60.0) | 52.0 (44.5–63.5) | 0.765 |
Sex (M:F) | 40:26 | 33:32 | 0.27 1.49 (0.75 to 2.98) |
Duration of illness in years (median, IQR (p25–p75)) | 16.0 (11.0–23.3) | 14.0 (10.5–22.0) | 0.18 |
Age of onset in years (median, IQR (p25–p75)) | 34.0 (25.8–42.0) | 36.0 (27.5–46.5) | 0.34 |
Distribution | |||
Left-sided colitis | 20 (31%) | 34 (53%) | |
Pan colitis | 45 (69%) | 30 (47%) | 0.01 2.55 (1.24 to 5.24) |
PSC | 7 | 6 | 1.00 |
Flares in the past two years (n) | 66 | 64 | |
Median (IQR (P25–p75)) | 0.0 (0.0–1.0) | 0.0 (0.0–1.0) | 0.54 |
None | 44 | 44 | |
One | 8 | 14 | |
Two | 11 | 4 | |
Three | 2 | 1 | |
Four | 0 | 1 | |
Five | 1 | 0 | |
Therapy | n=66 | n=65 | |
ASA | 54 (82%) | 46 (71%) | 0.14 0.54 (0.24 to 1.23) |
Immunosuppressant | 22 (33%) | 15 (23%) | 0.19 0.60 (0.28 to 1.30) |
Biologicals | 26 (40%) | 27 (41%) | 0.80 1.09 (0.54 to 2.20) |
Quality of preparation | |||
Good | 39 (59%) | 47 (72%) | 0.11 0.55 (0.27 to 1.15) |
Perfect | 27 (41%) | 18 (28%) |
ASA, aminosalicylic acid; PSC, primary sclerosing cholangitis.