Table 2.

Effect of the herbal mixture and placebo on coughs' severity

Time	Severity of cough	Herbal mixture	Placebo	P-Value
Day 0	Very severe	6 (25%)	2 (9%)	0.127
	Severe	3 (12.5%)	2 (9%)
	Moderate	12 (50%)	10 (45.4%)
	Mild	2 (8.3%)	8 (36.3%)
	No cough	1 (4.1%)	0(0%)
Day 3	Very severe	4 (17.3%)	2 (9.5%)	0.011
	Severe	1 (4.3%)	1 (4.7%)
	Moderate	1 (4.3%)	8 (38.1%)
	Mild	9 (39.1%)	9 (42.8%)
	No cough	8 (34.7%)	1 (4.7%)
Day 7	Very severe	1 (5.2%)	2 (9.5%)	0.007
	Severe	1 (5.2%)	0 (0%)
	Moderate	0 (0%)	3 (14.2%)
	Mild	2 (10.5%)	9 (42.8%)
	No cough	16 (80%)	7 (33.3%)
Day 14	Very severe	0 (0%)	1 (5%)	0.020
	Severe	0 (0%)	0 (0%)
	Moderate	0 (0%)	1 (5%)
	Mild	0 (0%)	4 (20%)
	No cough	20 (100%)	14 (70%)
GEE (Time)				<0.001
GEE (Treatment)				0.049