| Group A n = 25 | Group B n = 25 | Group C n = 25 | P-value | ||
A vs. B | A vs. C | B vs. C | ||||
No. of meperedine doses in 24 hr. | 2.40 ± 0.50 | 1.11 ± 0.69 | 0.98 ± 0.58 | <0.001* | <0.001* | 0.099 |