| Methods |
Randomised trial with concurrent eligible patients outside of the RCT. The non‐RCT patients were not in the RCT because they refused randomization. Pregnant women attending the participating antenatal clinics. Loss to follow up unclear for RCT group, 44 (8%) women were lost to follow up in the non‐RCT group. |
| Data |
Characteristics of non‐RCT patients presented and compared to RCT patients who received the same treatment. RCT patients combined were mean 28 (5) years, these data not given for control group only. Non‐RCT patients were mean 30 (5) years. |
| Comparisons |
Two RCT arms, the control arm patients were compared with similarly treated eligible non‐RCT patients. The experimental arm patients were given ultrasound screening. The control patients were not offered ultrasound screening. |
| Outcomes |
Clinical outcomes were assessed in all women, they were followed up until delivery. Main outcome in this study was perinatal death. |
| Notes |
The experimental treatment was more beneficial. |
