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Table 2 HbA1c at baseline and at end of intervention of the 9 studies included in the meta-analysis.

From: The Impact of Telemedicine Interventions Involving Routine Transmission of Blood Glucose Data with Clinician Feedback on Metabolic Control in Youth with Type 1 Diabetes: A Systematic Review and Meta-Analysis

Study

HbA1c Inclusion criteria

Mean (SD) HbA1c baseline control (%)

Change in mean HbA1c at followup control (%)

Mean (SD) HbA1c baseline TM (%)

Change in mean HbA1c at followup TM (%)

Cadario

7.0%

*9.2

+0.2

*9.1

0

Chase

7.0%–13.0%

8.9 (1.1)

−0.3

9.0 (1.2)

−0.4

Gay

8.0%

9.2 (0.9)

+0.1

9.3 (1.3)

−0.2

Howe

8.5%

10.2 (1.4), ED 10.1 (1.2)

−0.5

10.0 (1.4)

−0.5

Lawson

8.5%

9.7 (0.6)

−0.1

10.0 (1.3)

−0.6

Marrero

None defined

9.9 (1.6)

+0.4

9.4 (1.9)

+0.6

Nunn

8.0%

8.3 (1.0)

+0.5

8.2 (1.1)

+0.7

Panagiotopoulos

8.0% but 14.0%

9.6 (1.3)

−0.5

9.7 (1.2)

−0.9

Rami

8.0%

†9.3 (8.3–11.6)

+0.4

†9.1 (8.0–11.3)

−0.1

  1. ED: education.
  2. *No measure of variance reported.
  3. †Median (range).