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Table 1 Number of records in TDI and corresponding number of records for every IMA table, TDI-IMA database, Belgium, 2008-2017

From: Longitudinal pharmacoepidemiological and health services research for substance users in treatment: protocol of the Belgian TDI-IMA linkage

Year TDI records TDI-IMA linkage records IMA records
Socio-demographic records Health services records Pharmaceutical records
cases cases comparators cases comparators cases comparators cases comparators
2008    29,956 114,546 2,832,502 4,841,577 441,524 673,262
2009 30,097 115,955 3,176,192 5,230,939 600,216 781,410
2010 30,269 117,536 3,497,624 5,503,252 645,338 794,171
2011 6011 6011 24,044 30,501 119,317 3,973,171 5,783,429 673,054 818,394
2012 7352 7352 29,408 30,574 120,401 4,704,952 6,112,367 697,780 849,270
2013 8354 8354 33,416 30,520 120,754 5,193,173 6,448,273 713,542 870,148
2014 9188 9188 36,752 30,272 120,454 5,554,960 6,754,846 725,400 888,430
2015    29,765 119,300 4,904,975 7,098,578 733,370 917,926
2016 N/A N/A 2,794,918 4,618,602 699,002 887,280
2017 N/A N/A N/A N/A N/A N/A
total 30,905 30,905 123,620       
  1. N/A: not available