Comparison 9. Mean pulmonary arterial pressure (mm Hg): INO versus control.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 MPAP up to 24 hours	5	205	Mean Difference (IV, Fixed, 95% CI)	‐1.76 [‐3.41, ‐0.12]
2 MPAP up to 48 hours	3	167	Mean Difference (IV, Fixed, 95% CI)	‐1.39 [‐3.43, 0.65]
3 MPAP up to 72 hours	2	111	Mean Difference (IV, Fixed, 95% CI)	‐1.92 [‐4.36, 0.52]
4 MPAP up to 96 hours	3	130	Mean Difference (IV, Fixed, 95% CI)	‐1.74 [‐3.77, 0.30]