Diabetes Complications at Presentation and One Year by Glycated Haemoglobin at Diagnosis in a Multiethnic and Diverse Socioeconomic Population: Results from the South London Diabetes Study

Table 4

Basis for diagnosis in patients with HbA_1c < 48 mmol/mol.

	Basis of diagnosis	Asymptomatic and repeat test not performed	Incorrectly diagnosed according to WHO
Fasting plasma glucose	66 (37.71%)	18 (27.27%)	26 (39.39%)
OGTT	68 (38.86%)	21 (30.88%)	34 (50.00%)
Random plasma glucose	28 (16.00%)	12 (42.86%)	15 (53.57%)
HbA1c	13 (7.42%)	5 (38.46%)	13 (100%)
Total (%)	175	63 (36.00%)	89 (50.86%)