Comparison 1. Elective versus symptomatic intravenous antibiotics.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Change in FEV1 (% predicted for age) from baseline	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
1.1 At three years	1		Mean Difference (IV, Fixed, 95% CI)	0.0 [0.0, 0.0]
2 Change in FVC (% predicted) from baseline	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
2.1 At three years	1		Mean Difference (IV, Fixed, 95% CI)	0.0 [0.0, 0.0]
3 Change in Shwachman score from baseline	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
3.1 At three years	1		Mean Difference (IV, Fixed, 95% CI)	0.0 [0.0, 0.0]
4 Change in Chrispin‐Norman score	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
4.1 At three years	1		Mean Difference (IV, Fixed, 95% CI)	0.0 [0.0, 0.0]
5 Number of deaths	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
5.1 At three years	1		Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
6 Change in height z score from baseline	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
6.1 At three years	1		Mean Difference (IV, Fixed, 95% CI)	0.0 [0.0, 0.0]
7 Change in weight z score from baseline	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
7.1 At three years	1		Mean Difference (IV, Fixed, 95% CI)	0.0 [0.0, 0.0]
8 Change in weight/height (% predicted) from baseline	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
8.1 At three years	1		Mean Difference (IV, Fixed, 95% CI)	0.0 [0.0, 0.0]
9 Dropout rate	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
9.1 At three years	1		Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]