Key result
Higher American Society of Anesthesiologists physical status grades were significantly associated with longer intensive care unit stays (Spearman's correlation 0.452, p=0.0023).
Why the study?
The study was conducted to predict the prognostic value of the ASA PS classification regarding peri-operative variables and post-operative outcomes, and to evaluate inter-rater agreement between OPD and operating theatre assessments.
Population
227 adults scheduled for elective surgery
Comparison
ASA scores assigned at OPD vs operating theatres
Design
Observational study
Follow-up
Until discharge from hospital
Authors
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ASA grade associated with longer ICU stay; leaves open independent predictive value for elective surgery risk stratification.
Observational (n=227)
No
Effect estimate: Spearman's correlation 0.452
p-value: p=0.0023
The ASA physical status scale demonstrates perfect inter-rater reliability between outpatient and operating theatre assessments and correlates significantly with post-operative ICU stay length in elective surgery patients.
Shah et al. (2019) conducted an observational in Patients scheduled for elective surgery (n=227). American Society of Anesthesiologists physical status (ASA PS) scale was evaluated on Prognostic value of ASA classification for peri-operative variables (ICU stay) (Spearman's correlation 0.452, p=0.0023). Higher American Society of Anesthesiologists physical status grades were significantly associated with longer intensive care unit stays (Spearman's correlation 0.452, p=0.0023).
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