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Table 3 Intra-day and inter-day precision of sitagliptin (n=6)

From: Novel stability-indicating RP-UPLC method for simultaneous estimation of sitagliptin and ertugliflozin in bulk and pharmaceutical formulations

Drug Concentration Intra-day precision Inter-day precision
Mean±SD %RSD Mean±SD %RSD
Sitagliptin 100mg 994622.3±3381.02 0.3 956575.2±1926.26 0.2
  1. n number of determinations, SD standard deviation, RSD relative standard deviation, % percentage, mg milligram