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Table 5 Inter-day accuracy and precision of calibrators and QCs.

From: A new proof of evidence of cysteamine quantification for therapeutic drug monitoring in patients with cystinosis

Standard

Nominal concentration (µM)

Accuracy (%)

CV (%)

CAL 1

2.5

105.66

1.37

CAL 2

5

106.00

3.67

CAL 3

10

102.80

3.21

CAL 4

25

97.80

3.28

CAL 5

50

100.13

0.90

QC I

4

99.46

3.41

QC II

40

102.53

6.93