Table 3

Subgroup analysis according to the level of colonoscopy experience (<1500 cases vs ≥1500 cases)

Sensitivity(95% CI)(%)Specificity (95% CI) (%)Accuracy (95% CI) (%)
WLIBLI without magnificationBLI with magnificationWLIBLI without magnificationBLI with magnificationWLIBLI without magnificationBLI with magnification
Non-expert<1500Endoscopist diagnosis90.1 (82.1 to 95.4) 8291.2 (83.4 to 96.1) 8392.3 (84.8 to 96.9) 8443.5 (23.2 to 65.5) 1043.5 (23.2 to 65.5) 1047.8
(26.8 to 69.4) 11
80.7 (72.3 to 87.5) 9281.6 (73.2 to 88.2) 9383.3 (75.2 to 89.7) 95
AI diagnosis87.9 (79.4 to 93.8) 8090.1 (82.1 to 95.4) 8252.2 (30.6 to 73.2) 1256.5
(34.5 to 76.8) 13
80.7 (72.3 to 87.5) 9283.3 (75.2 to 89.7) 95
AI+endoscopist diagnosis92.3 (84.8 to 96.9) 8460.9 (38.5 to 80.3) 2486.0 (78.2 to 91.8) 98
Expert≥1500Endoscopist diagnosis90.0 (85.1 to 93.7) 18893.8 (89.6 to 96.6) 19695.2 (91.4 to 97.7) 19978.9 (66.1 to 88.6) 4580.7 (68.1 to 90.0) 4677.2 (64.2 to 87.3) 4487.6 (83.0 to 91.3) 23391.0 (86.9 to 94.1) 24291.4 (87.3 to 94.4) 243
AI diagnosis85.6 (80.1 to 90.1) 17993.8 (89.6 to 96.6) 19677.2 (64.2 to 87.3) 4480.7 (68.1 to 90.0) 4683.8 (78.8 to 88.0) 22391.0 (86.9 to 94.1) 242
AI+endoscopist diagnosis95.2 (91.4 to 97.7) 19975.4 (62.2 to 85.9) 4391.0 (86.9 to 94.1) 242
  • AI, artificial intelligence; BLI, blue light imaging; WLI, white light imaging.