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In a study on the number of intubation attempts per surgery, the regression model includes an incident rate ratio (IRR) of 1.8 for patient BMI. Interpret the result for a 5-unit increase in BMI and calculate the overall rate ratio. Round to the tenths place.

Which method is most appropriate when replacing a small amount of missing preoperative blood pressure data with the average blood pressure of the group?

When analyzing postoperative infections among ICU patients, a Poisson regression coefficient (β 1 ​) of 0.3 for length of stay implies:

What is a key assumption of the Poisson distribution used in regression modeling?

Which of the following is a binary outcome variable commonly studied in nurse anesthesia research?

In the context of nurse anesthesia, a funnel plot in meta-analysis is used to:

In a study examining BMI as a predictor of difficult intubation, an odds ratio (OR) of 2.5 means:

In logistic regression, the log-likelihood statistic is used to:

When considering a diagnostic test for perioperative complications, what is the primary consideration for choosing an optimal cut-off value?

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