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. 2022 Apr 12;39(4):158–166. doi: 10.12788/fp.0248

TABLE 3.

Single-Arm Study Bias Risk

Author, y Bias Levels of Risk
PTSD Measure Confounding Selection Classification Deviations Missing Data Measurement Selection of Results Overall
Chopin, 2020 PCL-5 Serious Low Low Low Moderate Serious Low Serious

Cushing, 2018 PCL-M Serious Low Low Low Moderate Serious Low Serious

Justice, 2019 PCL-5 Serious Low Low Low Low Serious Low Serious

Shivakumar, 2017 CAPS Serious Low Low Low Moderate Serious Low Serious

PCL Serious Low Low Low Moderate Serious Low Serious

Staples, 2013 PCL-M Serious Low Low Low Moderate Serious Low Serious

Zaccari, 2020 PCL-5 Serious Low Low Low Moderate Serious Low Serious

Abbreviations: CAPS, Clinician Administered PTSD Scale; PCL-5, PTSD Checklist for DSM-5; PCL-M, PTSD Checklist–Military Version; PTSD, posttraumatic stress disorder.