TABLE 3

Annualized rates of progression to abnormal glucose tolerance defined by lower FPG thresholds

FPG <5.55 mmol/l, 2hPG <7.8 mmol/l at baselineProgression to FPG ≥5.55 mmol/l
Progression to 2hPG ≥7.8 mmol/l
Outcomes (n)Person-yearsRate/10095% CIOutcomes (n)Person-yearsRate/10095% CI
Overall1802,8386.125.27–7.071763,1795.534.76–6.40
 5-year cumulative incidence29.927.9
 10-year cumulative incidence43.342.5
Age
 ≥65 years375496.744.80–9.165650711.18.40–14.20
 <65 years1432,3905.985.06–7.021202,6724.493.73–5.34
P0.5<0.0001
FPG 5.55–6.09 mmol/l, 2hPG 7.8–11.0 mmol/l at baselineProgression to FPG ≥6.1 mmol/l
Progression to 2hPG ≥11.1 mmol/l
“Impaired” after “normal” at  baseline331,4842.221.55–3.07281,5391.821.23–2.58
 5-year cumulative incidence4.44.0
 10-year cumulative incidence21.817.0
“Impaired” at baseline1263,0064.193.50–4.97963,1623.032.47–3.68
 5-year cumulative incidence19.913.7
 10-year cumulative incidence33.426.6