Table 4. Symptom scores, quality of life and Likert score of patients per protocol.

Values are the mean and standard error of mean.

	Day 1 of treatment	1 week of treatment	3 weeks of treatment
Saline
CAT (points)	20.79 (1.52)	18.74 (1.14)	19.37 (1.25)
SGRQ (%)	51.38 (3.12)		47.36 (3.42)
BDI/TDI (points)	7.71 (0.65)	0.94 (0.47)	1.18 (0.47)
Likert 1 (points)	2.63 (0.34)	2.95 (0.35)	2.95 (0.31)
Likert 2 (points)	2.63 (0.39)	3.00 (0.28)	3.21 (0.33)
Tyloxapol
CAT (points)	20.21 (1.12)	18.37 (1.28)	18.32 (1.26)
SGRQ (%)	53.15 (3.70)		49.65 (3.57)
BDI/TDI (points)	7.76 (0.67)	0.65 (0.70)	1.47 (0.80)
Likert 1 (points)	3.05 (0.44)	3.05 (0.34)	3.21 (0.39)
Likert 2 (points)	3.53 (0.42)	3.16 (0.34)	3.47 (0.33)