Abstract 3590: Quantification of Resources Needed for Successful Recruitment for Multiracial Stroke Randomized Controlled Trials
Notice bibliographique
Résumé
Background: Many stroke trials fail to meet recruitment goals or need additional time to accrue sufficient subjects to support hypothesis testing. Many investigators also report difficulties recruiting diverse samples. One cause may be a lack of understanding of the complexity of the process and insufficient resources devoted to recruitment efforts. We s quantified and analyzed the number of interactions needed to present study materials and obtain a final response to an invitation to participate in a stroke intervention trial seeking a diverse sample. Methods: Patients with acute ischemic stroke or TIA admitted to five hospitals in the District of Columbia were screened for enrollment in PROTECT-DC (Prevention of Recurrent Throboembolic Events District of Columbia). All participants were approached during the acute phase of stroke treatment. No recruitment occurred in the ED. Recruitment staff were trained for cultural competency, culturally tailored recruitment materials and scripts were provided. Detailed logs of each encounter were made. Data included number of face-to-face contacts and telephone conversations with potential participants and family members. Results: from June 2009 to June 2011, 1915 patients were admitted with stroke, 619 (32%) met inclusion criteria, mean age 65, 52 % female and 66 % African American. Of, these 286 (46%) patients were discharged before being approached. Of the total eligible 333 (54%) were approached ; 130 (39%) consented, 109 (33%) refused the remaining 94 (28 %) made no decision.. The mean number of contacts before obtaining a decision was 2.81 ± 1.15 (range 1-6). There were no significant differences in consent rates by gender (p=0.44) or race (p=0.64), however blacks required significantly more contacts (p<0.04) than whites before consenting or refusing participation. Review of recruitment log data suggests that substantial time and effort is devoted to individuals who do not wish to volunteer, but who are unwilling to decline participation. Conclusion: Approximately recruitment visits were required to successfully recruit subjects for this non ED hospital based stroke prevention trial. On average recruiters spent 5 hours in direct recruitment activities per consented subject. Substantial effort is associated with “soft refusals” in patients who do not wish to volunteer. Successful recruitment requires adequate resources and appropriate staff training and support. It is important to recognize these resource needs when planning a stroke intervention trial.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,012 | 0,006 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,002 | 0,001 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».