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Original Research Article

Table II

Inter group pair wise comparison using post hoc tests.

Dependent variable (I) group (J) group Mean difference (I–J) Std. Error p value
Onset of analgesia (sec) 1 2 −58.400* 6.792 0.000**
1 3 −202.450* 6.792 0.000**
2 3 −144.050* 6.792 0.000**
Duration of analgesia (min) 1 2 −17.225 8.884 0.132#
1 3 104.925* 8.884 0.000**
2 3 122.150* 8.884 0.000**
Total amount of dose used 1 2 −0.150 0.172 0.660#
1 3 −0.350 0.172 0.109#
2 3 −0.200 0.172 0.479#
Duration of surgery (min) 1 2 −3.075 2.567 0.457#
1 3 −6.150* 2.567 0.047*
2 3 −3.075 2.567 0.457#
Number of injections required 1 2 −0.075 0.086 0.660#
1 3 −0.175 0.086 0.109#
2 3 −0.100 0.086 0.479#
VAS 1 2 0.250 0.132 0.146#
1 3 0.475* 0.132 0.001**
2 3 0.225 0.132 0.209#

* statistically significant difference (p < 0.05).

** statistically highly significant difference (p < 0.01).

# non significant difference (p > 0.05).

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