Comparison 1. Clincal pathway versus wait‐list control.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Clinical failure—primary outcome	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
2 Proportion of participants who were not cured at follow‐up	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected
3 PC‐QOL mean score at 6 weeks	1		Mean Difference (IV, Fixed, 95% CI)	Subtotals only
4 Duration of cough post randomisation	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
5 Proportion of adverse events experienced	1	272	Odds Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
6 Proportions of participants experiencing adverse events or complications	1		Odds Ratio (M‐H, Fixed, 95% CI)	Totals not selected