Retrograde-viewing device improves adenoma detection rate in colonoscopies for surveillance and diagnostic workup

Table 2 Adenoma miss rates¹ by indication for procedure

Indication	Group A standard colonoscopy first	Group B Third Eye colonoscopy first	Relative risk2 (95% CI)	P
All Indications3	49/173 = 0.283	26/176 = 0.148	1.92 (1.25-2.94)	0.029
Screening	19/91 = 0.209	16/85 = 0.188	1.11 (0.62-2.04)	0.815
Surveillance	20/36 = 0.556	9/51 = 0.176	3.15 (1.63-6.10)	0.014
Diagnostic	10/44 = 0.227	1/38 = 0.026	8.64 (1.16-64.41)	0.039
Surveillance + diagnostic	30/80 = 0.375	10/89 = 0.112	3.34 (1.74-6.39)	0.003

¹Expressed in adenomas per patient;

²Relative risk of missing an adenoma during first exams with standard colonoscopy vs first exams with Third Eye colonoscopy, 95% CI calculated using 2 × 2 frequency table;

³In 4 subjects (2 in group A and 2 in group B), no indication was specified.