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Table 2 Mean HbA1C values during pregnancy for type 1 and type 2 diabetes

From: Comparing type 1 and type 2 diabetes in pregnancy- similar conditions or is a separate approach required?

Pregnancy stage

Type 1 diabetes (% ± SD/mmol/mol)

Type 2 diabetes (% ± SD/mmol/mol)

P value

Overall mean HbA1C

6.6%/49

5.8%/40

<0.0001

Trimester 1

7.7 ± 1.6/61

6.9 ± 1.7/52

0.0007

% with HbA1C <7% in T1

41%

60%

0.024

Trimester 2

6.7 ± 1.1/50

6.1 ± 1.1/43

<0.0001

Trimester 3

6.4 ± 0.95/46

5.9 ± 0.67/41

0.0004

Term

6.4 ± 0.88/46

5.7 ± 0.45/39

0.02