Table 1 Association between selective and universal offer of an oral glucose tolerance test (OGTT) with gestational diabetes and severe hyperglycaemia detection rate (number tested with percentage of whole population and percentage of screened population in parenthesis)
| Â | Selective offering of an OGTT | Universal offering of an OGTT | Â | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Â | 2004 | 2005 | 2006 | 2004-2006 | 2008 | 2009 | 2010 | 2008-2010 | Rate ratio comparing detection rates after to before (95% CI) for the whole population and for the screened population |
Whole population | 5512 | 5784 | 5864 | 17160 | 6162 | 6251 | 6101 | 18514 | Â |
Completed OGTT | 323 (6) | 299 (5) | 529 (9) | 1151 (7) | 3797 (62) | 3947 (63) | 3772 (62) | 11516 (62) | Â |
GDMa identified | 62 (1, 19) | 83 (1, 28) | 135 (2, 26) | 280 (2, 24) | 311 (5, 8) | 398 (6, 10) | 423 (7, 11) | 1132 (6, 10) | 3.75 (3.28 - 4.29) 0.40 (0.35 - 0.46) |
Severe hyperglycaemiab identified | 21 (0.4, 34) | 33 (0.6, 40) | 29 (0.5, 21) | 83 (0.5, 30) | 46 (0.7, 14) | 63 (1.0, 16) | 63 (1.0, 16) | 172 (1.0, 15) | 1.96 (1.50 - 2.58) 0.51 (0.39 - 0.67) |