Table 1.

Descriptive statistics of studies included.

Number of studies	43
Total number of participants	27,703
Mean study participants (standard deviation)	644 (sd: 1518)
Median study participants	102
	Frequency	Percentage
Year Published	(N = 43)
2018	1	2.3 %
2019	3	7.0 %
2020	10	23.3 %
2021	8	18.6 %
2022	10	23.3 %
2023	7	16.3 %
2024	4	9.3 %
Type of heart failure patients in the studies
HFrEF	18	41.9 %
HFpEF	3	7.0 %
Both	22	51.2 %
Multi-country study
No	35	81.4 %
Yes	8	18.6 %
Pharmaceutical industry-funded studies
No	18	41.9 %
Yes	25	58.1 %
Race data reported
No	18	41.9 %
Yes	25	58.1 %
Females were at least a third of the participants.
No	23	53.5 %
Yes	20	46.5 %