Fig. 2

Reported triggers for headache were shown comparatively in COVID-19 positive and negative cases. The second part of the figure shows the triggers reported by healthcare workers compared to the others. Legend. *p:0.0006, ^ӿp:0.0002, ^†p:0.0001, ^‡p:0.0015 showing statistically significant differences between each reported trigger in COVID-19 positive and negative patients; and ★p:0.049, ✸p:0.0001, ✦p:0.0001showing statistically significant difference between healthcare workers and others, with Pearson Chi Square Test