Parameters   HPLC   Reported  method48 OMP Reported  method48 TND Reported  method48 CLR
OMP TND CLR
Mean ± S.D 100.227 100.01 100.097 100.20 100.12 100.12
0.268 0.354 0.216 0.283 0.167 0.281
Variance 0.072 0.125 0.047 0.080 0.028 0.079
F-test 1.14 (5.79)a 4.46 (5.79)a 1.68 (5.79)a      
Student,s t-test 0.13 (2.57)a 0.497 (2.57)a 0.123 (2.57)a      
N 3 3 3 4 4 4
aThe values in the parenthesis are corresponding theoretical t- and F-values at P=0.05 [44]
Table 6: Statistical comparison for the results obtained by the proposed HPLC method and the reported TLC method for analysis of OMP, TND and CLR in dosage form.