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Table 4 Comparison of the response in relation to site of pain among the two groups

From: Efficacy and safety of ultrasound-guided peripheral nerve blocks in management of chronic resistant migraine

Type of block

Response

Tender points site

Fisher’s exact test

Temporal

Occipital

p-value

GON

Response according to headache days

Non-Responder

7 (63.6%)

2 (28.6%)

0.335

Good responder

4 (36.4%)

5 (71.4%)

Total

11 (100%)

7 (100%)

SPG

Response according to headache days

Non-Responder

3 (27.3%)

2 (50%)

0.560

Good responder

8 (72.7%)

2 (50%)

Total

11 (100%)

4 (100%)

  1. SPG: Sphenopalatine ganglion, GON: Greater Occipital nerve