Methodology

 Data flow mapping (AMD) The Statistical Analysis Plan document details the statistical methodology used in the NOD cataract audit, including case complexity adjustment of posterior capsular rupture (PCR) and visual loss used in the prospective cataract audit. This document needs to be read with the annual report of the NOD audit.

The Eligibility criteria document details the eligibility and exclusion criteria applied to cataract surgery data in the NOD audit. This document needs to be read with the annual report of the NOD audit.

A copy of the NOD cataract data flow map and age-related macular degeneration audit data flow map can be downloaded below.