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. Author manuscript; available in PMC: 2020 Mar 20.
Published in final edited form as: J Pharm Biomed Anal. 2018 Dec 19;166:105–112. doi: 10.1016/j.jpba.2018.12.028

Table 6:

AAA Statistical Analysisa (mg of oxytocin per vial)

Source Variance SD RSD
Reproducibility (lab to lab) 0.0089 0.0942 5.44%
Repeatability (sample to sample) 0.0009 0.0308 1.78%
a

The mean value for the four labs was 1.73 mg with 95% confidence interval: 1.580 mg to 1.884 mg. Five labs performed AAA testing but one lab’s results were excluded due to the amino acids standard solution preparation error.