Methods |
Quote: "Randomised"; 5/54 (9%) women lost to follow‐up. |
Participants |
54 women with chronic hypertension or previous severe PE, enrolled at 13‐15 weeks. |
Interventions |
Exp: aspirin 100 mg sustained release/day until 37 weeks.
Control: placebo. |
Outcomes |
Women: PE.
Babies: stillbirth; SGA. |
Notes |
Published as abstract only. Ethics form also available. |
Risk of bias |
Bias |
Authors' judgement |
Support for judgement |
Random sequence generation (selection bias) |
Low risk |
Randomised via simple method e.g. coin toss |
Allocation concealment (selection bias) |
Unclear risk |
Double‐blind, no further information available. |
Blinding (performance bias and detection bias)
All outcomes |
Low risk |
Quote: "double blind"; placebo used. |
Incomplete outcome data (attrition bias)
All outcomes |
Unclear risk |
5/54 (9%) women lost to follow‐up. 49/54 completed study; distribution across groups not specified. |
Selective reporting (reporting bias) |
Unclear risk |
Protocol not available (although ethics form is). Only abstract shows summary results ‐ therefore insufficient information to judge. |
Other bias |
Unclear risk |
Insufficient information to judge |