Trossarelli 1984.

Methods	"Randomly assigned".
Participants	12 women with type 1 diabetes.
Interventions	MDI versus CSII.
Outcomes	Perinatal mortality, large‐for‐gestational age, maternal weight gain during pregnancy, mean 24‐hour BG in each trimester, and respiratory distress syndrome.
Notes	Several data outcomes described as comparable rather than reported as statistics.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Not reported.
Allocation concealment (selection bias)	Unclear risk	Not reported.
Blinding of participants and personnel (performance bias) All outcomes	High risk	Blinding of the type of intervention from clinician and participant for the trials was not possible because of the nature of the study.
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Blinding of assessors not reported.
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Not reported.
Selective reporting (reporting bias)	Unclear risk	Pre‐specified outcomes not reported.
Other bias	Unclear risk	Not reported.

BG: blood glucose
 CSII: continuous subcutaneous insulin infusion
 HbA1c: glycated haemoglobin
 MDI: multiple daily injection