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Table 2 Baseline characteristics in the two changeover groups

From: Automatic versus manual changeovers of norepinephrine infusion pumps in critically ill adults: a prospective controlled study

  Quick change method (n = 193) Smart infusion pump (n = 218) P value
Age in years, mean ± SD 64.9 ± 12.2 65.7 ± 15.0 0.71
Male, n (%) 177 (91.7 %) 204 (93.6 %) 0.47
Weight, mean ± SD 78.8 ± 15.5 81.6 ± 18.5 0.84
Body mass index (kg/m2), mean ± SD 26.7 ± 5.7 28.6 ± 4.2 0.13
Cause of shock, n (%) 0.34
 Sepsis 176 (91.2 %) 194 (90.6 %)  
 Hemorrhage 10 (5.2 %) 7 (3.3 %)  
 Other 7 (3.6 %) 13 (6.1 %)  
SOFA score, mean ± SD 13.3 ± 3.1 12.9 ± 3.1 0.2
Mechanical ventilation, n (%) 186 (96.4 %) 215 (98.6) 0.14
Dose of NE, µg/kg/min, median [IQR] 0.6 [0.3–1.2] 0.8 [0.4–2.0] <0.001
Concentration of NE, mg/50 mL, mean ± SD 25.1 ± 6.9 24.8 ± 6.3 0.34
Heart rate at baseline 99.3 ± 22.1 107.2 ± 18.9 <0.001
Mean arterial blood pressure at baseline 78.2 ± 13.8 76.8 ± 13.4 0.31
  1. SOFA Sequential Organ Failure Assessment, NE norepinephrine, IQR inter-quartile range