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On the two sides of the figure, there are the GLS values collected from the group of CHF patients treated with conventional therapy over a mean therapy duration of 14 ± 3 months. Initial mean GLS value: -12.05 ± 4.01%; final mean GLS value: -12.25 ± 4.28% (P = 0.40) (paired samples t-test). GLS: left ventricular ejection fraction; CHF: chronic heart failure.
