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Table 3 Comparison of the response in relation to autonomic manifestations among the two groups

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

Type of block

Response

Autonomic Manifestations

Fisher’s exact test

None

Yes

P-value

GON

Response according to headache days

Non-Responder

10 (52.6%)

0 (0%)

0.262

Good responder

9 (47.4%)

2 (100%)

Total

19 (100%)

2 (100%)

SPG

Response according to headache days

Non-Responder

7 (50%)

0

0.020*

Good responder

7 (50%)

8 (100%)

Total

14 (100%)

8 (100%)

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