Table 3. Outcomes by level of kidney function

GFR15–59 (ml/min per 1.73 m2)GFR≥60 (ml/min per 1.73 m2)
a Note that because events may overlap categories, the sum of events is greater than the composite total.
MI/fatal CHD
    % events10.1% (168/1664)5.3% (1111/20970)
    person-years at risk12,125169,779
    events per 1000  person-years13.96.5
Stroke
    % events7.5% (125/1664)2.8% (587/20970)
    person-years at risk12,168171,470
    events per 1000  person-years10.33.4
All-cause mortality
    % events23.0% (383/1664)8.1% (1693/20970)
    person-years at risk12,450172,926
    events per 1000  person-years30.89.8
Compositea
    % events30.1% (500/1664)13.2% (2762/20970)
    person-years at risk11,887168,459
    events per 1000  person-years42.116.4