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. Author manuscript; available in PMC: 2017 Sep 10.
Published in final edited form as: J Pharm Biomed Anal. 2016 Jul 26;129:473–481. doi: 10.1016/j.jpba.2016.07.040

Table 3.

Summary of calibration curve standards

Analyte Nominal Conc (ng/mL) Mean Calculated Conc (ng/mL) n=3 %CV % Accuracy r2
Tenofovir 10 10.51 0.40 105.07 >0.9976
20 18.18 1.45 90.91
100 98.22 2.15 98.22
500 527.21 3.87 105.44
1000 1006.11 1.70 100.61
2000 1980.62 2.41 99.03
3000 2997.99 1.28 99.93
4000 4017.70 1.77 100.44
Emtricitabine 5 4.96 0.20 99.18 >0.9997
10 10.22 0.21 102.18
50 49.16 1.75 98.31
250 248.42 0.68 99.37
500 507.28 0.36 101.46
1000 1015.74 2.10 101.57
1500 1485.11 0.58 99.01
2000 2013.21 0.93 100.66
Dolutegravir 5 5.00 0.53 99.94 >0.9996
10 9.97 1.56 99.73
50 50.20 2.02 100.41
250 255.86 0.82 102.34
500 512.29 1.73 102.46
1000 973.88 1.28 97.39
1500 1470.73 1.72 98.05
2000 2003.94 0.81 100.20
Elvitegravir 5 5.09 2.14 101.86 >0.9988
10 9.72 4.34 97.20
50 48.70 2.76 97.40
250 251.53 0.55 100.61
500 495.93 0.93 99.19
1000 978.86 2.45 97.89
1500 1578.63 0.23 105.24
2000 2033.91 1.03 101.70
Rilpivirine 5 5.03 0.77 100.52 >0.9998
10 9.87 1.69 98.69
50 50.21 1.58 100.42
250 253.88 1.37 101.55
500 503.43 0.72 100.69
1000 999.82 2.16 99.98
1500 1491.50 0.74 99.43
2000 1982.29 2.35 99.11

%CV, percent coefficient of variation; %RE, percent relative error