Table 5—

Mean HbA1c by WHO category

WHO categoryMean HbA1c (%)
Normal5.4 (5.4–5.5)
IGT5.7 (5.6–5.8)
Type 2 diabetes7.0 (6.6–7.5)
  • Data are value (95% CI). Overall and all pair-wise comparisons were significant at P < 0.001 by Tukey’s honestly significant difference (HSD).