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Table 3 Details of data extracted for different study designs

From: Protocol for systematic review of evidence on the determinants and influence of early glycaemic control in childhood-onset type 1 diabetes

Intervention studies

Observational/non-intervention studies (cross-sectional and prospective)

Qualitative studies

Study id

Study id

Study id

Author

Author

Author

Year

Year

Year

Country

Country

Country

Age range

Age range

Age

Average age

Average age

Design

Sex (male to female ratio)

Sex (male to female ratio)

Number of participants

Design: cRCT, RCT, quasiRCT, before-after, etc.

Ethnicity

Sample/recruitment

Number of participants

Socioeconomic status

Findings/direct quotes

Sample/recruitment, e.g. general population representative sample or specialist groups (deprivation, ethnicity, geography, etc.)

Design (cross-sectional/prospective)

Author conclusions

Intervention details (pump/injection, duration, dosage)

Number of participants

Comments

Control

Sample/recruitment, e.g. general population representative sample or specialist groups

Author email

Setting (home, primary care, secondary care)

Exposure examined

 

Intervention provider

Measurement of exposure

 

Number of sites

Measurement conducted by Level of glycemic control

 

Outcome (complications, metabolic memory—separate row for each outcome investigated)

Setting (home, primary care, secondary care)

 

Measurement of outcome (objective)

Outcome (complications, metabolic memory—separate row for each outcome investigated)

 

Analysis

Measurement of outcome (objective)

 

Effect—point estimate

Analysis

 

 Effect—upper confidence interval

 Effect—lower confidence interval

Follow-up duration

Effect

 

Comments

Author email

 

Author email

Comments

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