Comparison 6. Improvement in left ventricular function.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
6.1 Improved contraction in at least one segment (post‐HBOT echo)	1	34	Risk Ratio (M‐H, Fixed, 95% CI)	0.09 [0.01, 1.40]
6.2 Left Ventricular Ejection Fraction‐ % (final estimate)	2	190	Mean Difference (IV, Random, 95% CI)	5.47 [2.19, 8.75]