| Methods |
Randomised trial with concurrent preference trial outside of the RCT. The non‐RCT patients were not in the RCT because they refused randomisation because of preference for treatment. Adult ASA I and II patients who presented for cataract surgery with regional anaesthesia. No lossess to follow up. |
| Data |
Characteristics of non‐randomised patients partially presented but not compared to RCT patients who received the same treatment. The 40 patients in the RCT placebo group was compared to the 136 patients in the non‐RCT patients who did not want anxiolytic drugs. |
| Comparisons |
Six RCT arms, five arms with different anxiolytics and one placebo arm. The placenbo arm was compared with similarly treated eligible patients outside of the trial. |
| Outcomes |
Clinical outcomes were assessed in all patients. patients were followed until just after the procedure. Main outcome was anxiety during operation |
| Notes |
The RCT treatemtns were not statistically different. |
