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Table 1

Patient information stratified according to HbA1c measurement at ≤20 weeks’ (140 days’) gestation, excluding women treated for GDM

HbA1c 5.9–6.4%
(41–46 mmol/mol)
n = 200
n (%)HbA1c <5.9%
(<41 mmol/mol)
n = 7,987
n (%)P value
Age, years, mean (SD) 31.5 (6.3) 30.3 (5.9) <0.01 
BMI, kg/m2 n = 155 n = 1,391  
 Mean (SD) 28.9 (7.4) 25.9 (5.7) <0.001 
 Median (range) 27.5 (17.5–48.3) 24.5 (21.9–57.53)  
Ethnicity   <0.001 
 NZ European 127 (63.5) 6,288 (78.7)  
 Māori 20 (10) 586 (7.3)  
 Pacific Islander 10 (5) 204 (2.6)  
 Other 43 (21.5)* 895 (11.2)  
 Unknown 14 (0.2)  
HbA1c 5.9–6.4%
(41–46 mmol/mol)
n = 200
n (%)HbA1c <5.9%
(<41 mmol/mol)
n = 7,987
n (%)P value
Age, years, mean (SD) 31.5 (6.3) 30.3 (5.9) <0.01 
BMI, kg/m2 n = 155 n = 1,391  
 Mean (SD) 28.9 (7.4) 25.9 (5.7) <0.001 
 Median (range) 27.5 (17.5–48.3) 24.5 (21.9–57.53)  
Ethnicity   <0.001 
 NZ European 127 (63.5) 6,288 (78.7)  
 Māori 20 (10) 586 (7.3)  
 Pacific Islander 10 (5) 204 (2.6)  
 Other 43 (21.5)* 895 (11.2)  
 Unknown 14 (0.2)  

*36 (18%) Asian.

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