Table 4 Summary of included studies for GCK-related hyperglycemia

From: Precision treatment of beta-cell monogenic diabetes: a systematic review

Study ID

Number of participants

Sex (M/F)

Baseline group, therapy

Comparison therapy

Mean or median Pre-HbA1c (%)

Mean or median Post-HbA1c (%)

Mean, median, or minimal interval between pre/post HbA1c (months)

Cohort studies or case series

 Carlsson et al.21

29

17/12

20 None

7 Insulin

2 Metformin

29 None

6.3

6.2

64

 Delvecchio et al.22

136

NR

133 None

2 Insulin

1 Insulin + metformin

133 None

2 Insulin

1 lost to follow-up

6.4

6.2

6

 Shepherd et al.23

8

NR

7 Insulin

1 Metformin

8 No

6.6

6.6

15

 Stride et al. 24

18

10

NR

NR

None

Insulin

None

None

6.4

6.5

6.4

6.3

3

3

6

NR

Oral Hypoglycemic agents

None

6.4

6.3

3

Cross-sectional studies (uncontrolled group comparisons)

 Stride et al.24

799

NR

Insulin therapy (n = 60)

Median HbA1c (%)

6.3 [6.0, 6.6]

Oral hypoglycemic agent therapy

(n = 108)

Median HbA1c (%)

6.5 [6.1, 6.9]

No pharmacologic therapy

(n = 631)

Median HbA1c (%)

6.4 [6.1, 6.7]