prospective_single-arm_cohort_study

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prospective_single-arm_cohort_study [2025/07/03 09:41] – created administradorprospective_single-arm_cohort_study [2025/07/03 09:44] (current) administrador
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-A prospective single-arm cohort study is a type of observational clinical study with the following characteristics:+====== Prospective single-arm cohort study ====== 
 + 
 +A prospective [[single-arm]] [[cohort study]] is a type of [[observational]] clinical [[study]] with the following characteristics:
  
 ✅ Definition: ✅ Definition:
 +
 A prospective single-arm cohort study follows a group of participants over time without a comparison (control) group, where all participants receive the same treatment or intervention, and outcomes are measured forward in time from the point of enrollment. A prospective single-arm cohort study follows a group of participants over time without a comparison (control) group, where all participants receive the same treatment or intervention, and outcomes are measured forward in time from the point of enrollment.
  
 🧠 Key Components: 🧠 Key Components:
 +
 [[Prospective]]: Data is collected forward from a defined starting point (e.g., initiation of treatment). [[Prospective]]: Data is collected forward from a defined starting point (e.g., initiation of treatment).
  
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 📘 Example Use Case: 📘 Example Use Case:
 +
 Evaluating the safety and outcomes of a new surgical technique in 100 patients with Chiari I malformation, all treated the same way and followed for 12 months Evaluating the safety and outcomes of a new surgical technique in 100 patients with Chiari I malformation, all treated the same way and followed for 12 months
 ((Henry LC, McDowell MM, Stephenson TL, Crittenden JB, Byrd AL, Fernández-de Thomas RJ, Chang YF, Nowicki KW, Mantena R, Strick PL, Friedlander RM. Predecompression and postdecompression cognitive and affective changes in Chiari malformation type I. J Neurosurg. 2025 Feb 21;143(1):4-12. doi: 10.3171/2024.8.JNS241363. PMID: 39983117.)) ((Henry LC, McDowell MM, Stephenson TL, Crittenden JB, Byrd AL, Fernández-de Thomas RJ, Chang YF, Nowicki KW, Mantena R, Strick PL, Friedlander RM. Predecompression and postdecompression cognitive and affective changes in Chiari malformation type I. J Neurosurg. 2025 Feb 21;143(1):4-12. doi: 10.3171/2024.8.JNS241363. PMID: 39983117.))
  
 ⚠️ Limitations: ⚠️ Limitations:
-No control group limits ability to attribute causality. 
  
-Susceptible to bias (e.g., selection bias, confounding).+No control group limits ability to attribute [[causality]]. 
 + 
 +Susceptible to [[bias]] (e.g., selection bias, confounding).
  
-Results are hypothesis-generating, not confirmatory.+Results are [[hypothesis-generating]], not confirmatory.
  • prospective_single-arm_cohort_study.txt
  • Last modified: 2025/07/03 09:44
  • by administrador