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Table 4 Visual analogue scale and frequency of painful days per month scores before and after treatment in all groups

From: Lidocaine injection of pericranial myofascial trigger points in the treatment of frequent episodic tension-type headache

 

Comparison of the VAS data before and after treatment

Comparison of the FPD data before and after treatment

 

BT vs 2 month AT

BT vs 4 month AT

BT vs 6 month AT

2 month vs 4 month AT

2 month vs 6 month AT

4 month vs 6 month AT

p Value

BT vs 2 month AT

BT vs 4 month AT

BT vs 6 month AT

2 month vs 4 month AT

2 month vs 6 month AT

4 month vs 6 month AT

p Value

Group 1

ª -

* 0.131

<0.05

>0.05

>0.05

>0.05

>0.05

>0.05

* 0.029

     

Group 2

<0.001

<0.05

>0.05

>0.05

<0.001

>0.05

* <0.001

<0.001

<0.001

>0.05

>0.05

<0.001

<0.01

* <0.001

Group 3

<0.01

>0.05

>0.05

>0.05

<0.05

>0.05

* 0.0045

<0.001

>0.05

>0.05

<0.01

<0.001

>0.05

* <0.001

Group 4

<0.001

<0.001

<0.001

<0.05

<0.001

>0.05

* <0.001

<0.001

<0.001

<0.001

<0.05

<0.01

>0.05

* <0.001

  1. BT: Before treatment, AT: After treatment, VAS: Visual analogue scale, FPD: frequency of painful days per month, * p Value for Repeated Measures ANOVA (Analysis of Variance) with post test, ª Post tests were not calculated because the p value was greater than 0.05.