Study (Year) | Outcome | Conventional colonoscopy (N) | NBI system (N) | RR* WMD** (95%CI) | Heterogeneity (I2) § |
---|---|---|---|---|---|

Adler 2009 East 2009 Inoue 2008 Kaltenbach 2008 Sabbagh 2011 | Mean number of polyps | 1241 | 1238 | WMD -0.07 (-0.21 to 0.07) | 68% |

Adler 2009 Adler 2008 East 2009 Inoue 2008 Kaltenbach 2008 Paggi 2009 Rex 2007 Sabbagh 2011 | Mean number of adenomas | 1768 | 1749 | WMD -0.08 (-0.17 to 0.01) | 62% |

Adler 2009 Adler 2008 Inoue 2008 Kaltenbach 2008 Sabbagh 2011 | Rate of patients with al least one polyp | 1336 | 1330 | RR 0.90 (0.73 to1.11) | 70% |

Adler 2009 Adler 2008 East 2009 Inoue 2008 Kaltenbach 2008 Paggi 2009 Rex 2007 Sabbagh 2011 | Rate of patients with at least one adenoma | 1763 | 1749 | RR 0.96 (0,88 to 1.04) | 0% |

Adler 2009 Adler 2008 Paggi 2009 Sabbagh 2011 | Rate of patients with carcinoma | 1181 | 1169 | RR 1.20 (0.58 to 2.47) | 0% |