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. 2020 May 17;8(1):e001058. doi: 10.1136/bmjdrc-2019-001058

Table 4.

Population distribution classified by HbA1c and OGTT standard

OGTT HbA1c cut-off point Total
<5.1% (32 mmol/mol) 5.2%–5.6% (33–38 mmol/mol) ≥5.7% (≥39 mmol/mol)
NGT 2407 (51.3%) 1647 (35.1%) 636 (13.6%) 4690 (100%)
Prediabetes 474 (35.6%) 540 (40.5%) 319 (23.9%) 1333 (100%)
NDD 135 (16.6%) 182 (22.4%) 496 (61.0%) 813 (100%)

HbA1c, glycated hemoglobin; NDD, newly diagnosed diabetes; NGT, normal glucose tolerance; OGTT, oral glucose tolerance test.