Table 1 Characteristics of the cohort of all livebirth pregnancies and the cohort of pregnancies among women with pre-existing diabetes between 2001 and 2013 in the MSDD
Characteristic | Cohort of all livebirth pregnancies | Cohort of pregnancies in women with pre-existing diabetes | |
|---|---|---|---|
Total unique women with a pregnancy episode | 1,598,705 | 14,216 | |
Total unique pregnancies | 1,895,604 (100.00%) | 15,606 (100.00%) | |
Total unique pregnancies with ADD | 82,676 (4.4%) | 14,488 (92.8%) | |
Total unique pregnancies without ADD | 1,812,928 (95.6%) | 1118 (7.2%) | |
Maternal age at delivery, years | < 20 20–24 25–29 30–34 35–39 40–44 45–54 | 115,584 (6.1%) 260,013 (13.7%) 495,250 (26.1%) 610,703 (32.2%) 329,080 (17.4%) 76,995 (4.1%) 7979 (0.4%) | 404 (2.6%) 1608 (10.3%) 3545 (22.7%) 4949 (31.7%) 3745 (24.0%) 1082 (6.9%) 273 (1.8%) |
Year of delivery | 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 | 41,870 (2.21%) 62,345 (3.29%) 62,310 (3.29%) 61,544 (3.25%) 64,573 (3.41%) 68,056 (3.59%) 122,674 (6.47%) 146,443 (7.73%) 246,203 (12.99%) 275,835 (14.55%) 263,694 (13.91%) 252,272 (13.31%) 227,785 (12.02%) | 245 (1.57%) 4.62 (2.96%) 492 (3.15%) 585 (3.75%) 581 (3.72%) 626 (4.01%) 1040 (6.66%) 1271 (8.14%) 1946 (12.47%) 2330 (14.93%) 2132 (13.66%) 2107 (13.50%) 1789 (11.46%) |
Any code for preterm birth | 146,523 (7.7%) | 3108 (19.9%) | |
Any code for postterm birth | 259,572 (13.7%) | 309 (2.0%) | |