I hit this same issue sometime last year. Each row has a field that stores workflow status I think it's calledSPWorkFlowStatus. You need to check it for the desired state (probably complete). I just a quick search for sharepoint workflow status codes and found this which may help pick the right code:
http://chanakyajayabalan.wordpress.com/2010/03/08/sharepoint-workflow-status-codes/
Hope this helps.
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Paul T.
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Paul T.
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