RESULTS
TRD, ideation, posttraumatic stress disorder, treatment-resistant depression, Ideation, PTSD, Suicide Ideation, Depression, Maudsley
REMISSION, POSITIVE
The study flowchart is shown in 
Demographic Characteristics, Baseline Clinical Symptoms, and Treatment Outcomes of Patients With TRD and Prominent Suicidal Ideation Receiving a Single Infusion of Ketamine vs Midazolam PlaceboAbbreviations: BMI, body mass index; CSSRS-ISS, Columbia-Suicide Severity Rating Scale-Ideation Severity Subscale; MADRS, Montgomery-Åsberg Depression Rating Scale; MSM, Maudsley Staging Method; NSI, Negative Suicide Ideation; PANSI, Positive and Negative Suicide Ideation Inventory; PSI, Positive Suicide Ideation; PTSD, posttraumatic stress disorder; TRD, treatment-resistant depression.Bold type indicates the statistical significance.
Trajectory of Montgomery-Åsberg Depression Rating Scale (MADRS) scores among patients with treatment-resistant depression (TRD) having prominent suicidal ideation. G, group (ketamine vs midazolam); T, time.More numbers of patients receiving ketamine reached full remission of suicidal ideation based on the total CSSRS-ISS score = 0 from day 2 (n = 14 vs 4, Trajectory of Columbia-Suicide Severity Rating Scale-Ideation Severity Subscale (CSSRS-ISS) and Montgomery-Åsberg Depression Rating Scale (MADRS) item 10 scores among patients with treatment-resistant depression (TRD) having prominent suicidal ideation. G, group (ketamine vs midazolam); T, time. Note: The 2 sets of Trajectory of Columbia-Suicide Severity Rating Scale-Ideation Severity Subscale (CSSRS-ISS) and Montgomery-Åsberg Depression Rating Scale (MADRS) item 10 scores among patients with treatment-resistant depression (TRD) having prominent suicidal ideation, stratified by duration of current episode and failure numbers of antidepressants. G, group (ketamine vs midazolam); T, time. Note: The 2 sets of 
Trajectory of Positive and Negative Suicide Ideation Inventory (PANSI) scores among patients with treatment-resistant depression (TRD) having prominent suicidal ideation. G, group (ketamine vs midazolam); NSI, Negative Suicide Ideation; PSI, Positive Suicide Ideation; T, time. Note: The 2 sets of 