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When adding patient age as a second predictor in a regressio…

When adding patient age as a second predictor in a regression model for surgical duration, what does an increase in adjusted R-squared indicate?

Published November 28, 2024
Categorized as Uncategorized

Which of the following methods adjusts for publication bias…

Which of the following methods adjusts for publication bias in meta-analysis?

Published November 28, 2024
Categorized as Uncategorized

In a study of preoperative hemoglobin levels and postoperati…

In a study of preoperative hemoglobin levels and postoperative recovery time, the y-intercept of the regression line represents:

Published November 28, 2024
Categorized as Uncategorized

A nurse anesthetist is analyzing the relationship between pa…

A nurse anesthetist is analyzing the relationship between patient weight (kg) and required propofol dose (mg) using the regression equation: Dose=2.5×Weight+50Predict the propofol dose for a patient weighing 80 kg. Enter a whole number only.

Published November 28, 2024
Categorized as Uncategorized

In a regression model for predicting extubation time, which…

In a regression model for predicting extubation time, which assumption must hold true for residuals?

Published November 28, 2024
Categorized as Uncategorized

If a nurse anesthetist uses a regression model to predict fl…

If a nurse anesthetist uses a regression model to predict fluid requirements based on patient weight, what does a significant p-value for weight indicate?

Published November 28, 2024
Categorized as Uncategorized

Multicollinearity in a logistic regression model can:

Multicollinearity in a logistic regression model can:

Published November 28, 2024
Categorized as Uncategorized

Given the following data:Observed agreement (Po) = 0.72Expec…

Given the following data:Observed agreement (Po) = 0.72Expected agreement (Pe) = 0.50Calculate Cohen’s kappa (K). K= (Po−Pe) / (1 – Pe)

Published November 28, 2024
Categorized as Uncategorized

In a study predicting postoperative nausea and vomiting (PON…

In a study predicting postoperative nausea and vomiting (PONV) based on anesthesia type and duration, how would you include anesthesia type (categorical variable) in the regression model?

Published November 28, 2024
Categorized as Uncategorized

A systematic review finds a pooled odds ratio of 1.8 (95% CI…

A systematic review finds a pooled odds ratio of 1.8 (95% CI: 1.2–2.6) for the likelihood of successful intubation using video laryngoscopy compared to direct laryngoscopy. What does this indicate?

Published November 28, 2024
Categorized as Uncategorized

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