Leucocytes, ×1000/μL, median (IQR)  4.51 (3.33–6.00)  2.95 (1.77–4.51)  4.70 (3.65–6.00)  0.113  3.70 (1.93–5.52)  4.70 (3.65–6.00)  0.297  4.61 (3.39–6.85)  3.85 (3.27–5.13)  0.170