Variable | Characters of headache before COVID-19 | Characters of headache after COVID-19 | P value |
---|---|---|---|
Mean Severity of headache | 7.20Â +Â 1.92 | 8.06Â +Â 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* |