Table 1.

Demographic and clinical data for neonates in this study.

Variable	Modeling group	Median (range)
Number of patients (male/female)	80 (54/26)	/
Number of observations (trough /peak)	165 (75/90)	/
Postnatal age (PNA), days	32.3 ± 24.1	24 (4–126)
Gestational weeks (GA), weeks	34.7 ± 4.31	34 (25.7–41.1)
Postmenstrual age (PMA), weeks	39.4 ± 3.60	40.0 (29–47.1)
Weight, kg	2.87 ± 0.89	2.74 (1.4–5.6)
Height, cm	46.8 ± 4.72	47 (37–65)
Serum creatinine, μmol/L	23.2 ± 10.4	28.3 (5.85–61.6)
Blood urea nitrogen, mmol/L	4.96 ± 3.89	4.1 (0.4–28.5)
Total protein, g/L	48.6 ± 7.38	48.2 (33–67.6)
Albumin, g/L	32.4 ± 5.49	32 (21.6–46.8)
Aspartate aminotransferase, U/L	43.6 ± 85.1	18 (3–575)
Glutamic-pyruvic transaminase, U/L	77.6 ± 109	41 (9-696)
Dosage, mg	45 ± 16.4	42 (20–105)
Trough concentration, mg/L	11.2 ± 7.92	9.15 (3.14–42.9)
Peak concentration, mg/L	22.3 ± 11.0	20.3 (4.09–51.9)