Table 3.

Total number of incidents throughout the study. Ratio ns/s: ratio no symptoms vs. symptoms. IRR c/t: incidence rate/ratio control group vs. treatment group. NC: no cases (IRR not possible).

Symptoms	Group	Number of Events				Statistical Analysis
		0	1	2	3	Ratio ns/s	p-Value	IRR c/t	p-Value
Cough	Control	18	12	3	0	0.014	0.005	4.792	0.005
	Treatment	29	2	0	1	0.003	0.002
Fever	Control	27	5	1	0	0.009	0.005	6.450	0.093
	Treatment	31	1	0	0	0.001	0.001
Nasal congestion	Control	27	6	0	0	NC	NC	NC	NC
	Treatment	32	0	0	0	NC	NC
Throat pain	Control	30	3	0	0	0.001	0.001	1.719	0.599
	Treatment	30	1	1	0	0.001	0.001
Headache	Control	29	4	0	0	NC	NC	NC	NC
	Treatment	32	0	0	0	NC	NC
Bone pain	Control	28	4	1	0	0.002	0.002	12.465	0.033
	Treatment	31	0	1	0	0.000	0.000
Fatigue	Control	22	6	3	2	0.020	0.007	5.235	0.004
	Treatment	29	1	2	0	0.004	0.002
Chest pain	Control	27	4	2	0	0.006	0.003	2.641	0.185
	Treatment	28	2	1	0	0.002	0.002
Difficulty breathing	Control	20	8	4	1	0.016	0.006	3.751	0.007
	Treatment	28	2	1	1	0.004	0.002
Nausea	Control	32	1	0	0	0.000	0.000	1.407	0.818
	Treatment	31	1	0	0	0.000	0.000
Diarrhea	Control	27	4	1	1	0.007	0.004	1.674	0.389
	Treatment	28	3	1	0	0.004	0.003
Lack of appetite	Control	25	5	3	0	0.014	0.006	3.720	0.058
	Treatment	29	3	0	0	0.004	0.003
Sleeping problems	Control	28	5	0	0	NC	NC	NC	NC
	Treatment	32	0	0	0	NC	NC