Table 4.

Ensemble-based 33 and their characteristics of ML-based.

SN	Studies	Input Covariates	Ground Truth	ML/DL
1	Abdar et al. [91]	OBBM, LBBM	CAD	ML
2	Baccouche et al. [92]	OBBM, LBBM	HHD, IHD, MHD, VHD	DL
3	Chu et al. [93]	OBBM, LBBM, ECG	CVD, Dia	ML
4	Cai et al. [94]	OBBM, LBBM	CR	ML
5	Esfahani et al. [95]	OBBM, LBBM	CVD	ML
6	Gibson et al. [96]	OBBM, LBBM	ACS	ML
7	Gao et al. [97]	OBBM, LBBM, ECG	CVD, BC	ML
8	Gao et al. [98]	OBBM, LBBM	CVD	ML
9	Gosh et al. [99]	OBBM, LBBM, ECG	CVD	ML
10	Honsi et al. [100]	OBBM, LBBM	CVD	ML
11	Jan et al. [101]	OBBM, LBBM, ECG	HD	ML
12	Jamthikar et al. [102]	OBBM, LBBM, CUSIP	CAD, ACS	ML
13	Jothiprakash et al. [103]	OBBM, LBBM	CVD	ML
14	Liu et al. [104]	OBBM, LBBM	CA	ML
15	Miao et al. [105]	OBBM, LBBM, ECG	CHD	ML
16	Mienye et al. [106]	OBBM, LBBM	HD	ML
17	Negassa et al. [107]	OBBM, LBBM	HF	ML
18	Nakanishi et al. [80]	OBBM, LBBM, CT	Death	ML
19	Plawiak et al. [108]	OBBM, LBBM, ECG	Arrhythmia	DL
20	Puvar et al. [180]	OBBM, LBBM, ECG	HD	ML
21	Reddy et al. [109]	OBBM, LBBM	HD	ML
22	Rousset et al. [110]	OBBM, LBBM	CVD	ML
23	Sherly et al. [111]	OBBM, LBBM, ECG	HD	ML
24	Sherazi et al. [112]	OBBM, LBBM	CVE	ML
25	Tan et al. [113]	OBBM, LBBM	CVD	ML
26	Uddin et al. [114]	OBBM, LBBM	CVD	ML
27	Velusamy et al. [115]	OBBM, LBBM	CAD	ML
28	Wankhede et al. [116]	OBBM, LBBM	HD	DL
29	Yadav et al. [117]	OBBM, LBBM	HD	ML
30	Ye et al. [118]	OBBM, LBBM	HYT	ML
31	Yekkala et al. [119]	OBBM, LBBM	CVD	ML
32	Zarkogianni et al. [120]	OBBM, LBBM	CVD, Dia	ML
33	Zhenya et al. [121]	OBBM, LBBM, ECG	HD	ML

SN: Serial number; HHR: Hypertensive heart disease; IHD: Ischemic heart disease, MHD: Mixed heart disease; VHD: Valvular heart disease; CR: Cardiac resynchronization; ACS: Acute coronary syndrome; CVD: Cardiovascular disease; CA: Cardiac arrhythmia; BC: Breast cancer; HD: Heart disease; HF: Heart failure; CVE: Cardiovascular event; Dia: Diabetes.