Virtual chromoendoscopy in small bowel capsule endoscopy: New light or a cast of shadow?

Table 1 Summary of results

	Angioectasias (n = 39)	Ulcers/erosions (n = 49)	Villous edema/atrophy (n = 12)	Overall (n = 100)
FICE 1
Improved delineation	38/39 (97.4%)	31/49 (63.3%)	8/12 (66.7%)	77/100 (77.0%)
Percentage of agreement, κ	97.4%, κ = 0.910	81.6%, κ = 0.714	91.7%, κ = 0.815	89.0%, κ = 0.833
FICE 2
Improved delineation	38/39 (97.4%)	28/49 (57.1%)	8/12 (66.7%)	74/100 (74.0%)
Percentage of agreement, κ	89.7%, κ = 0.802	79.6%, κ = 0.703	91.7%, κ = 0.815	85.0%, κ = 0.764
FICE 3
Improved delineation	18/39 (46.2%)	12/49 (24.5%)	0/12 (0.0%)	41/100 (41.0%)
Percentage of agreement, κ	53.8%, κ = NA	75.5%, κ = NA	66.7%, κ = 0.304	66.0%, κ = 0.486
BF
Improved delineation	6/39 (15.4%)	30/49 (61.2%)	3/12 (25.0%)	39/100 (39.0%)
Percentage of agreement, κ	76.9%, κ = 0.558	81.6%, κ = 0.570	25.0%, κ = NA	79.0%, κ = 0.593

FICE: Flexible Spectral Imaging Color Enhancement; BF: Blue Filter; NA: Not available.