Table 2

Incidence of events (10,000 person-years)

OutcomeDiabetes vs. nondiabetesDiabetes w/DR vs. diabetes w/o DRPDR vs. NPDR
DiabetesNondiabetesRatioDiabetes w/ DRDiabetes w/o DRRatioPDRNPDRRatio
PYEventRatePYEventRatePYEventRatePYEventRatePYEventRatePYEventRate
Nonexudative AMD458,9661,54933.7468,3551,09923.51.4*49,693438.750,982112.24.0*14,32964.215,103117.30.6*
Exudative AMD466,9701653.5475,4511212.51.4*49,5796012.150,991163.13.9*14,2432014.015,11074.63.0*
  • Event, number of events; PY, total person-years; Rate, incidence; Ratio, incidence ratio; w/o, without; w/, with.

  • *Statistically significant at P < 0.01.