Factors associated with nursing workload in three intensive care units.

OBJECTIVE To determine the nursing workload in intensive care units (ICUs) and the factors associated with the Nursing Activities Score (NAS). METHOD An analytical cross-sectional study was carried out in three ICUs in Bucaramanga, Colombia, between February 2018 and February 2020. The nursing workload was estimated based on the NAS. A descriptive and bivariate analysis stratified by ICU was performed using a robust multiple linear regression model, and the factors associated with the nursing workload (p < 0.05) were estimated. RESULTS In this study, 362 records were included. The median NAS was 68.1 points (Q1:47.2-Q3:116.7). APACHE II (β = 3.13, CI: 95% 2.28; 3.98), days of stay in ICU ≥3 (β = 16.78, CI: 95% 6.15; 27.41), surgery provenance service (β = 22.31, CI: 95% 9.76; 34.86), and traumatology and emergencies diagnostic category (β = 33.72, CI 95%: 9.90; 57.53) were associated with high NAS scores. CONCLUSION The nursing staff spend approximately 70% of their time on a single patient, and administrative work takes up most of their time. Hospital stays of longer than 3 days, high APACHE II score, coming from the surgery department, and having a diagnosis of trauma and emergency were associated with a high workload.