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Table 3 Change of headache characters of after COVID-19

From: Coronavirus disease-19 and headache; impact on pre-existing and characteristics of de novo: a cross-sectional study

Variable Characters of headache before COVID-19 Characters of headache after COVID-19 P value
Mean Severity of headache 7.20 + 1.92 8.06 + 1.70 0.001*
Mean Frequency of headache/month 8.66 +  7.49 11.09+  8.45 0.006*
Mean Number of analgesics days/months 5.62 + 4.78 8.93+  7.11 0.001*
  1. *=P < 0.05, Paired sample t-test, COVID-19 Coronavirus disease-19