Ethnic differences translate to inadequacy of high-risk screening for gestational diabetes mellitus in an Asian population: a cohort study

Table 2 Proportion of detected gestational diabetes mellitus (GDM) in GUSTO cohort using universal versus high-risk screening ^a

Screening methods	Whole cohort	Chinese	Malay	Indian
Screening methods	(n = 1136)	(n = 644)	(n = 290)	(n = 202)
Universal^b	215 (18.9)	135 (21.0)	35 (12.1)	45 (22.3)
High-risk^b	111 (9.8)^c	45 (7.0)^c	21 (7.2)^c	45 (22.3)

^aValues are given as number (%).
^bUniversal screening is where all participants undergo oral glucose tolerance test (OGTT); High-risk screening is where only participants with one or more of the risk factors based on the guidelines from UK National Institute for Health and Clinical Excellence (NICE) have to undergo OGTT.
^cP < 0.001 compared to Universal Screening.

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