Table 2

Comparison of the primary and secondary outcome measures for infants presenting during the lockdown and control periods

Control (n=40)Lockdown (n=47)P value
Preoperative PICU admissions2 (5)*2 (4.2)*>0.99
Median (IQR) Median (IQR)
Age at admission (days)31 (24–41)34 (26–41)0.64
Admission weight (g)3600 (3190–4083)3580 (3120–4085)0.84
Preoperative admission to PICU, n (%)2 (5)2 (4.2)0.99
Admission serum pH7.47 (7.43–7.51)7.47 (7.42–7.51)0.89
Serum bicarbonate (mmol/L)33 (27.35–38.27)29.1 (25.3–34.0)0.15
Serum chloride (mmol/L)97 (90.5–101.0)100 (94–108)0.08
Serum potassium (mmol/L)4.16 (3.7–4.7)4.5 (4.1–5.0)0.04
Standardised weight change—birth to admission, z score−1.03 (−1.61 to −0.64)−1.21 (−1.44 to −0.92)0.55
  • *% of those with complete data.

  • PICU, paediatric intensive care unit.