Table 3. Subjective symptoms scores in the groups at different visits.

Groups	1st visit	2nd visit	3rd visit	P (Chi-square)	1st to 3rd visit difference	P (Mann-Whitney)
Azitromycin	1.2	0.64	0.24	<0.01	0.96	0.701
Doxycycline	0.96	0.58	0.32	<0.01	0.64