For CONSORT items ( maximum score 8 ) , there was evidence of a slight improvement in reporting between 1994-1995 and 1999-2000 combined ( 2.50.6 ) and 2004-2005 and 2009-2010 combined ( 3.00.9 ) ( difference 0.5 , 95 % CI 0.2 to 0.8 ) .