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Table 14 Cross tabulation of Exhaled NO by group

From: Elevated nitric oxide and carbon monoxide concentration in nasal-paranasal sinus air as a diagnostic tool of migraine: a case – control study

Oral NO

Group

Patient

Control

≥ 6

15

4

< 6

5

18

  1. Fisher’s exact test statistic F = 15, P = 0.0005
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BMC Neurology

ISSN: 1471-2377

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