. 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 8:

HPLC Statistical Analysis^a (mg of oxytocin per vial)

Source	Variance	SD	RSD
Reproducibility (lab to lab)	0.00168	0.0410	2.3%
Repeatability (sample to sample)	0.00015	0.0123	0.7%

The mean value for the six labs was 1.807 mg with 95% confidence interval: 1.769 mg to 1.845 mg.