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Table 3 Clinical, demographic and laboratory data according to the agreement between glycemia obtained from glucometer and the logbook records

From: The influence of demographic, social-educational determinants and diabetes management on agreement between glucometer and logbook and its impact on glycemic control in patients with type 1 diabetes: a follow-up study

Variable

Group 1

Group 2

p-value

N (%)

41 (26.8)

112 (73.2)

 

Gender, female n (%)

25 (61.0)

52 (46.4)

0.3

Duration of diabetes (year), median [IQR]

8.0 [17.0]

10.0 [13.0]

0.4

Age (year), mean ± SD

27.7 ± 15.2

26.3 ± 15.7

0.6

Mean age at diagnosis (year), mean ± SD

15.1 ± 10.6

15.2 ± 9.9

0.9

Age range, n (%)

 1–13 year

9 (22.0)

9 (8.0)

 

 14–19 year

8 (19.6)

30 (26.8)

0.055

 > 19 year

24 (58.6)

73 (65.2)

 

Years of study (year), mean ± SDa

9.6 ± 4.8

10.3 ± 3.6

0.3

Time of follow-up (year), median [IQR]

8 [17.0]

9 [13.7]

0.3

Ethnicity, n (%)

 Caucasian

24 (58.5)

57 (50.9)

0.2

Economic status, n (%)

  

0.6

 High

0

0

 

 Medium

10 (24.4)

20 (17.9)

 

 Low

27 (65.9)

83 (74.1)

 

 Very low

4 (9.8)

9 (8.0)

 

Living in Rio de Janeiro City, yes n (%)

31 (75.6)

90 (80.4)

0.5

Insulin U/kg

0.8 ± 0.4

0.8 ± 0.2

0.8

Glycemic control

 HbA1c (%), baseline

8.9 ± 1.8

9.6 ± 2.3

0.08

 HbA1c (mmol/mol), baseline

82.1 ± 25.9

74.6 ± 20.8

 

 HbA1c (%), final

8.6 ± 1.6

9.1 ± 1.9

0.1

 HbA1c (mmol/mol), final

76.9 ± 21.3

70.9 ± 17.6

 

 HbA1c (%), mean in 1 year

8.7 ± 1.3

9.4 ± 1.8

0.01

 HbA1c (mmol/mol), mean in 1 year

79.8 ± 19.5

71.7 ± 14.2

 

 HbA1c (good), baseline; n (%)b

7 (17.0)

18 (16.0)

0.5

 HbA1c baseline ≥ 9.0%; n (%)c

18 (43.9)

62 (55.5)

0.4

 Hb1Ac (good), final; (%)b

3 (7.3)

10 (8.9)

0.2

 HbA1c final ≥ 9.0%; n (%)c

12 (29.2)

52 (46.4)

0.09

 HbA1c (good) (mean), (%)b

3 (7.3)

6 (5.4)

0.3

 HbA1c mean, ≥ 9.0%; n (%)c

15 (36.5)

54 (48.2)

0.2

Diabetes management

 SMBG, n

3.4 ± 1.1

3.2 ± 1.2

0.3

 Supply of glucose strips from SUS, n (%)

33 (80.5)

70 (62.5)

0.04

 Adherence to diet, yes n (%)

15 (36.6)

19 (17.0)

0.01

 BMI (kg/m2)

22.5 ± 4.5

23.7 ± 4.8

0.2

  1. The data are presented as a percentage, mean ± SD or median [IQR]
  2. y  year, F female, SMBG self-monitoring of blood glucose, SUS Sistema Único de Saúde
  3. aYears of study was considered only in adult patients
  4. bHbA1c at goal was defined as HbA1c < 7.5% (58 mmol/mol) for T1D patients between 13 and 19 years old and < 7.0% (53 mmol/mol) for adult T1D patients; cHbA1c > 9.0% (75 mmol/mol) was defined as poor glycemic control