Diagnostic yield of third eye retroscope on adenoma detection during colonoscopy: A systematic review and meta-analysis

Table 2 Results of meta-analysis: Additional polyp detection rate and additional adenoma detection rate

Category	No. of studies	Event rate (%)	95%CI	Heterogeneity
				P	I2(%)
APDR	4	19.8	7.9-41.8	0	96.38
APDR right colon	2	16	11.9-21.2	0.76	0
APDR left colon	2	12.2	8-18	0.22	31.9
APDR 6 mm or more	2	20.9	14.8-28.6	0.47	0
PDR 10 mm or more	2	25.3	15.5-38.4	0.51	0
AADR	4	19.9	7.3-43.9	0	94.44
AADR right colon	2	13.9	9.4-20	0.61	0
AADR left colon	2	10.7	1.9-42	0.02	82
AADR 6 mm or more	2	24.6	16.6-34.9	0.94	0
AADR 10 mm or more	2	24.2	12.9-40.8	0.34	0

APDR: Additional polyp detection rate; AADR: Additional adenoma detection rate.