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. 2020 Oct 28;62:102967. doi: 10.1016/j.iccn.2020.102967

Table 3.

Factors related to high nursing workload in the ICU (NAS cut-off: 74.6).

Characteristic COVID-19 patients p value Non-COVID-19 patients p value Total p value
Statistical test r (95%CI) r (95%CI) r (95%CI)
Age- y 0.006 (−0.003–0.138) 0.061 −0.04 (−0.04–0.00) 0.157 −0.03 (-0.050.00) 0.008
Length of stay-d 0.01 (−0.05–0.08) 0.602 0.17 (0.140.20) <0.0001 0.26 (0.230.28) <0.0001
BMI -kg/m2 0.06 (−0.03–0.15) 0.189 0.08 (0.040.12) 0.0001 0.19 (0.150.22) <0.0001
SAPS 3 0.12 (−0.05–0.20) 0.762 0.26 (0.230.28) <0.0001 0.22 (0.190.25) <0.0001
APACHE II 0.11 (−0.09–0.31) 0.278 0.22 (0.160.28) <0.0001 0.23 (0.170.29) <0.0001



Statistical test OR (95%CI) OR (95%CI) OR (95%CI)
COVID (ref: no COVID) 4.84 (3.636.42) <0.0001
Age (ref: <65 years with median) 0.39 (0.170.87) 0.023 0.79 (0.640.97) 0.024 0.79 (0.650.96) 0.018
BMI (ref: <30 kg/m2, threshold for obesity) 0.58 (0.30–1.12) 0.104 1.31 (1.081.60) 0.006 1.21 (1.011.46) 0.034
CVVH (ref: no CVVH) 10.27 (2.4220.58) 0.002 5.79 (3.768.91) <0.0001 5.87 (3.918.82) <0.0001
SAPS 3 (ref: <46 with median) 2.36 (0.79–2.49) 0.238 1.82 (1.442.32) <0.0001 1.82 (1.452.28) <0.0001
APACHE II (ref. < 14 with median) 6.37 (1.7831.78) 0.006 2.65 (1.973.56) <0.0001 3.07 (2.304.10) <0.0001
Patients ventilated (ref: no ventilation) 1.41 (0.79–2.49) 0.238 3.89 (3.054.97) <0.0001 3.25 (2.614.06) <0.0001
Death (ref: survivor) 3.34 (1.567.31) 0.002 1.21 (0.87–1.6) 0.250 1.41 (1.07187) 0.015
Readmission (ref: no readmission) 1.62 (0.38–6.98) 0.511 1.18 (0.86–1.63) 0.298 1.26 (0.03–1.71) 0.136
Sex (ref: women) 0.99 (0.58–1.66) 0.960 1.13 (0.93–1.38) 0.223 1.12 (0.93–1.25) 0.227

Abbreviations: y = years; d = day; BMI = Body Mass Index; APACHE II = Acute Physiology And Chronic Health Evaluation; SAPS 3 = Simplified Acute Physiology Score; NAS = Nursing Activities Score; CVVH = Continuous VenoVenous Hemofiltration.

Value in bold = Significant