Table 3.

COVID-related symptoms.^a.

Symptom	Time	Group		P value
		Placebo	Violet syrup
Dyspnea	Before treatment	4.23 ± 1.99	4.78 ± 2.66	0.151
	After treatment	1.04 ± 1.61	1.22 ± 2.41	0.230
Cough	Before treatment	4.66 ± 2.73	4.52 ± 2.75	0.725
	After treatment	1.71 ± 2.08	1.21 ± 2.19	0.025
Sputum	Before treatment	3.53 ± 2.06	3.35 ± 2.61	0.668
	After treatment	1.09 ± 1.34	1.4 ± 2.44	0.718
Myalgia	Before treatment	5.62 ± 2.69	5.78 ± 2.83	0.716
	After treatment	1.28 ± 2.34	0.47 ± 1.43	0.036
Headache	Before treatment	3.07 ± 3.32	3.21 ± 3.39	0.838
	After treatment	0.62 ± 1.37	0.33 ± 1.37	0.037
Abdominal pain	Before treatment	3.71 ± 2.39	3 ± 2.45	0.392
	After treatment	0.79 ± 1.67	0.63 ± 1.77	0.316
Dizziness	Before treatment	4.4 ± 2.09	4.03 ± 2.93	0.248
	After treatment	0.53 ± 0.92	0.89 ± 1.88	0.754
Chest pain	Before treatment	4.25 ± 2.34	4.45 ± 3.07	0.476
	After treatment	1.05 ± 2.38	1.08 ± 1.98	0.347
Fatigue	Before treatment	4.69 ± 3.53	4.33 ± 3.51	0.605
	After treatment	1.59 ± 2.38	1.33 ± 2.64	0.210
Sneeze	Before treatment	3.76 ± 2.74	2.84 ± 2.12	0.094
	After treatment	0.74 ± 1.1	0.78 ± 2.33	0.070
Rhinitis	Before treatment	1.89 ± 3.02	1.2 ± 2.13	0.176
	After treatment	0.62 ± 1.31	0.4 ± 1.38	0.221
Ageusia	Before treatment	6.3 ± 2.91	6.09 ± 3.44	0.897
	After treatment	2.26 ± 2.84	1.83 ± 3.56	0.054
Anosmia	Before treatment	6.78 ± 2.58	7.04 ± 3.23	0.883
	After treatment	2.21 ± 2.7	2.55 ± 3.78	0.087
Anorexia	Before treatment	6.76 ± 2.41	5.94 ± 3.13	0.706
	After treatment	0.96 ± 1.58	0.74 ± 1.82	0.586
Nausea and vomiting	Before treatment	4.83 ± 2.5	3.33 ± 2.68	0.269
	After treatment	0.08 ± 0.29	0.22 ± 0.44	0.747
Diarrhea	Before treatment	1.40 ± 2.90	0.63 ± 1.67	0.979
	After treatment	0.74 ± 2	0.07 ± 0.37	0.044

^aData is represented by mean ± standard deviation.