“…After the first stage screening in fact, our overall referral rate was 3.64% with a percentage value of false positives of only 3.34%; therefore we obtained, just with the first step, lower value than the most TEOAE based screening programmes from other countries such as Malaysia (12%), South Africa (11.1%), Oman (11%), Pakistan (10.2%) and Polonia (4.4%) maintaining a good coverage percentage [7,14,25,26,29]. The specificity value after first step screening was 96.7 AE 1.6% and, this percentage increased to 98.78 AE 0.3% after the second stage screening with a total number of 51 referred, 41 of which false positives (1.21%) ( Table 2).…”