Knowler (2) 2002 Lindstrom 2006 Penn 2009 Penn 2013 Overall (I-squared 1.41%, p = 0.703) 0.1277.9 Study ID OR(95%C.I.)% weight 0.42(0.32,0.54)50.82.
Knowler (2) 2002 Lindstrom 2006 Penn 2009 Penn 2013 Overall (I-squared 1.41%, p = 0.703)