Table 3 HbA1c and FPG profiles and severe hypoglycemic episodes during follow-up period

Mean HbA1c (%)

8.22 ± 1.00

8.33 ± 0.79

8.11 ± 0.56

0.213

8.07 ± 0.65

8.23 ± 0.72

8.35 ± 0.99

0.093

SD of HbA1c (%)

1.41 ± 0.50

2.68 ± 0.36^*

3.52 ± 0.47^*,**

<0.001

2.05 ± 0.92

2.64 ± 0.81^*

2.93 ± 0.99^*

<0.001

CV of HbA1c (%)

17.66 ± 4.59

32.48 ± 3.68^*

43.89 ± 4.49^*,**

<0.001

26.31 ± 9.60

32.21 ± 9.26^*

32.75 ± 10.63^*

<0.001

Mean FPG (mmol/L)

6.98 ± 0.97

6.92 ± 0.86

6.70 ± 0.55

0.075

6.76 ± 0.64

6.83 ± 0.74

7.02 ± 0.98

0.106

SD of FPG (mmol/L)

3.49 ± 1.27

3.70 ± 0.91

4.26 ± 1.24^*,**

<0.001

2.69 ± 0.48

3.68 ± 0.28^*

5.09 ± 0.95^{*, **}

<0.001

CV of FPG (%)

50.10 ± 8.62

53.68 ± 7.80^*

63.87 ± 8.27^*,**

<0.001

39.81 ± 5.34

53.87 ± 6.29^*

72.52 ± 8.56^{*, **}

<0.001

Severe hypoglycemic episodes (times)

0.70 ± 0.64

1.09 ± 0.79^*

1.94 ± 1.63^*,**

<0.001

1.02 ± 1.08

1.32 ± 1.22

1.40 ± 1.33

0.112