Table 2 Pre-intervention data

Clinical data

 Weight in kg (missing EG n = 2, NEG n = 6)

82.3 ± 14.8

83.6 ± 18.6

p = 0.61

 BMI in kg /m² (missing EG n = 2, NEG n = 19)

31 ± 6.1

31 ± 6.0

p = 0.97

 SBP in mmHg (missing EG n = 1, NEG n = 3)

134.3 ± 13.1

132.4 ± 12.7

p = 0.32

 DBP in mmHg (missing EG n = 1, NEG n = 3)

76.8 ± 9.6

76.3 ± 9.6

p = 0.74

Chronic treatment

 Metformin (missing n = 0)

45 (65.2%)

102 (73.9%)

p = 0.19

 Other oral treatment (missing EG n = 1, NEG n = 0)

30 (44.1%)

45 (32.6%)

p = 0.11

 GLP-1 analogue (missing EG n = 1, NEG n = 0)

12 (17.6%)

6 (4.3%)

p = 0.01

 Insulin (missing EG n = 1, NEG n = 0)

19 (27.9%)

23 (16.7%)

p = 0.06

 ACEI or ARA II (missing n = 0)

41 (59.4%)

68 (49.3%)

p = 0.17

 Statins (missing n = 0)

31 (44.9%)

58 (42.0%)

p = 0.69

Laboratory data

 HbA1c in % (missing EG n = 2, NEG n = 2)

8.3 ± 2.2

7.1 ± 1.2

p < 0.01

 LDLc in mmol/L (missing EG n = 5, NEG n = 22)

2.8 ± 1.0

2.9 ± 0.9

p = 0.46

 GFR in mL/min/1,73m² (missing EG n = 3, NEG n = 11)

86.4 ± 20.8

88.9 ± 21.5

p = 0.43

 Microalbuminuria test performed (missing n = 0)

56 (81.2%)

95 (68.8%)

p = 0.06

 Positive microalbuminuria (missing EG n = 13, NEG n = 43)

19 (33.9%)

17 (17.9%)

p = 0.02

Specialised follow-up

 Ophthalmological consultation (missing EG n = 15, NEG n = 29)

39 (72.2%)

48 (44.4%)

p < 0.01