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Change of headache characters of after COVID-19
| 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* |
*=P < 0.05, Paired sample t-test, COVID-19 Coronavirus disease-19
