Table 1.

Characteristics of patients included in the study. Results are presented as the number, or mean (range).

Patients	Index group	Validation group
Number (M/F)	16 (8/8)	4 (2/2)
Age (years)	3.7 (1.1–13.9)	2.0 (1.2–4.0)
Height (cm)	84.3 (68–116)	80.5 (73–98)
Weight (kg)	12.0 (6.9–20.5)	10.3 (8.0–14.6)
Race
Chinese	10	4
Malay	4
Indian	2
Tacrolimus
Blood concentration (ng ml−1)	12.7 (5.0–49.8)	12.7 (5.0–30.0)
Number of samples	771	86
Median samples per patient	44 (19–80)	20 (6–40)