Table 3 Basic information of study sample
Year | Total enrollees---all towns | Sample information---14 towns | ||||
|---|---|---|---|---|---|---|
Original | Excluded | Included | Enrollees | Inpatients | Outpatients | |
2007 | 709900 | 14065 | 695835 | 559869 | 16635 | 250137 |
2008 | 790245 | 11551 | 778694 | 628579 | 31674 | 352644 |
2009 | 768210 | 9223 | 758987 | 613103 | 33355 | 415404 |
2010 | 701191 | 3757 | 697434 | 697434 | 24695 | 320927 |
2011 | 740485 | 13635 | 726850 | 726850 | 33674 | 319558 |