Table 2: Precision and accuracy of CrEL-PEG in quality control samples.

TypeStatistical parameterConcentration (µg/mL)
LQC (2.50)MQC (125.00)HQC (162.00)

Intraday Set 1 ( )Mean2.47130.93164.61
SD0.1310.9415.16
CV%5.198.369.21
Relative error (%)−1.074.741.61

Intraday Set 2 ( )Mean2.31124.65163.33
SD0.084.2910.49
CV%3.603.456.42
Relative error (%)−7.60−0.280.82

Intraday Set 3 ( )Mean2.43123.34165.59
SD0.157.1311.18
CV%6.085.786.75
Relative error (%)−2.80−1.332.22

Interday ( )Mean2.40126.31164.51
SD0.084.061.14
CV%3.523.210.69
Relative error (%)−3.821.041.55