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Table 5 Correlation between HbA1c and glycemic variations in type 1 and type 2 DM patient

From: Correlation between short- and mid-term hemoglobin A1c and glycemic control determined by continuous glucose monitoring

 

Total DM patient

 

After 1 month (n = 25)

After 2 month (n = 34)

After 3 month (n = 36)

Before 1 month (n = 55)

Before 2 month (n = 31)

Before 3 month (n = 36)

Mean glucose level (mg/dL)

0.69*

0.39*

0.16#

0.35*

0.26#

0.42*

SD (mg/dL)

0.49*

0.20

0.17

0.01#

0.15

0.06

MAGE (mg/dL)

0.46*

0.06

0.30

0.18

0.17

0.17

CONGA-1 (mg/dL)

0.30

0.20

0.21

0.03

0.122

0.002

%CV

0.03

0.37*

0.15

0.22

0.25

0.16

 

Type 1 DM patient

 

After 1 month (n = 7)

After 2 month (n = 9)

After 3 month (n = 11)

Before 1 month (n = 13)

Before 2 month (n = 10)

Before 3 month (n = 10)

Mean glucose level (mg/dL)

0.56

0.12

0.26

0.07

0.16

0.07

SD (mg/dL)

0.59

0.52

0.15

0.48

0.32

0.35

MAGE (mg/dL)

0.65

0.14

0.14

0.09

0.01

0.12

CONGA-1 (mg/dL)

0.36

0.32

0.19

0.002

0.22

0.43

%CV

0.39

0.71*

0.09

0.19

0.30

0.14

 

Type 2 DM patient

 

After 1 month (n = 18)

After 2 month (n = 25)

After 3 month (n = 25)

Before 1 month (n = 42)

Before 2 month (n = 21)

Before 3 month (n = 26)

Mean glucose level (mg/dL)

0.70*

0.45*

0.08#

0.32*

0.38

0.57*

SD (mg/dL)

0.52*

0.18

0.18

0.07

0.16

0.11

MAGE (mg/dL)

0.47*

0.06

0.17

0.26

0.27

0.25

CONGA-1 (mg/dL)

0.44

0.24

0.09

0.01

0.007

0.05

%CV

0.02

0.45*

0.06

0.27

0.18

0.27

  1. HbA1c: hemoglobin A1c; SD: standard deviation; %CV: percentage coefficient of variation; MAGE: mean amplitude of glucose excursion; CONGA: Continuous overlapping net glycemic action (1 h intervals)
  2. *Means P < 0.05; #means P < 0.05 compared with r value of the group after 1 month