Skip to main content

Table 3 Biochemical parameters in the first 7 days of life

From: Improved nutrient intake following implementation of the consensus standardised parenteral nutrition formulations in preterm neonates – a before-after intervention study

  Pre-consensus PN Group (n = 68) Post-consensus PN Group (n = 85) P Value
Day 1    
pH 7.30 (0.3) 7.30 (0.1) 0.112
PCO2 43 (18.8) 48 (15) 0.244
HCO3 22.65 (4.8) 23.7 (4) 0.073
Base excess −2.3 (4.3) −1.55 (4.3) 0.091
Sodium 138 (4) 139 (3) 0.136
Chloride 108.5 (5) 107 (6) 0.269
Urea 4.15 (2.3) 5.60 (2.4) 0.012
Creatinine 66.5 (24) 68 (19) 0.940
Day 3    
pH 7.23 (0.3) 7.31 (0.1) 0.09
PCO2 40 (11.8) 42 (12) 0.998
HCO3 19.8 (3.4) 20.65 (4.1) 0.564
Base excess −4.8 (4.4) −4.65 (5.2) 0.684
Sodium 141.5 (4) 144 (6) 0.000
Chloride 112 (5) 111 (6) 0.144
Urea 6.15 (3.5) 8.20 (5.0) 0.000
Creatinine 78.5 (27) 67 (26) 0.006
Day 7    
pH 7.29 (0.12) 7.37 (0.07) 0.000
PCO2 45.65 (11) 46.5 (9.8) 0.483
HCO3 22.5 (3.48) 26.15 (4.65) 0.000
Base excess −2.6 (3.73) 1.75 (4.13) 0.000
Sodium 136 (4) 139 (5) 0.001
Chloride 106.5 (6) 103 (4) 0.000
Urea 4.4 (3.3) 7.7 (3.9) 0.000
Creatinine 61 (33) 57 (20) 0.378
  1. All values are mmol/L except pH.