Follow-up started on the day of revision THA and ended on the day of re-revision, death, emigration, or December 31, 2009 (whichever came first).
Follow-up started on the day of cup revision using the dual-mobility cup (index cup revision), and ended on the day of re-revision, death, emigration, or December 31 , 2010 whichever came first.
Follow-up started on the day of operation and ended on the day of revision, death, or December 31 , 2011
Follow-up started on the day of primary THA and ended on the day of revision, death, emigration, or on December 31 , 2010 whichever came first.
The follow-up period started on the day of primary THA and ended on the day of revision, death, emigration, or Jan 1 , 2009 whichever came first.
Follow-up started on the day of primary THA and ended on the day of revision, death, emigration, or December 31 , 2007 whichever came first.
Follow-up started on the day of primary THA and ended on the day of revision, death, emigration, or December 31 , 2010 whichever came first.
Following the 2010 revision of WHO treatment guidelines, all HIV-infected infants were started on ART irrespective of their clinical stage or CD4 cell counts.
The study was approved by the Regional Ethics Committee in Gothenburg, Sweden (ref. no. 1136-11) Follow-up started on the day of the primary THA operation and ended on the day of revision, death, emigration, or by December 31 , 2009
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