Table 8 Statistical comparison between the results obtained by the proposed method and the reported LC–MS/MS methods of the studied drugs

Mean

99.8

99.73

100.38

100.52

100.31

100.35

 ± SD

0.45

0.98

0.32

0.08

0.74

0.62

% RSD

0.175

0.245

0.346

0.112

0.223

0.275

Variance

0.2025

0.9604

0.1024

0.006

0.5476

0.3844

n

9

5

9

6

9

8

Student’s t- test

0.1511 (2.179)^b

1.254 (2.160)^b

0.121 (2.131)^b

F value

0.210 (6.04)^b

0.625 (4.82)^b

1.274 (3.73)^b