Table 6. Characteristics of deep learning systems for CVD risk predictions (IV).

SN	Studies	SA	PA	V	HA	P TT	MWT	WT	KWT	DOR
1	Azzorpardi et al. (78)	√	×	√	×	×	×	×	×	×
2	Biswas et al. (79)	√	×	√	×	√	√	√	√	×
3	Biswas et al. (80)	√	×	√	×	×	×	×	×	√
4	Biswas et al. (81)	√	×	√	×	×	×	×	×	×
5	Jain et al. (98)	√	×	√	×	×	×	×	×	×
6	Jain et al. (99)	√	×	√	×	×	×	×	×	×
7	Jamthikar et al. (13)	√	×	√	×	×	×	×	×	×
8	Lakadir et al. (82)	√	×	√	×	×	×	×	×	×
9	Meshram et al. (83)	√	×	√	×	×	×	×	×	×
10	Wu et al. (84)	√	×	√	×	×	×	×	×	×
11	Zhou et al. (85)	√	×	√	×	×	×	×	×	×
12	Zhou et al. (86)	√	×	√	×	×	×	×	×	×
13	Ganitidis et al. (87)	√	×	√	×	×	×	×	×	×
14	Mohannadi et al. (100)	√	×	√	×	×	×	×	×	×
15	Latha et al. (101)	√	×	√	×	×	×	×	×	×
16	Otgonbaatar et al. (102)	√	×	√	×	×	×	×	×	×
17	Jain et al. (103)	√	×	√	×	×	×	×	×	×
18	Ziegler et al. (88)	√	×	√	×	×	×	√	×	×
19	Bortsova et al. (89)	√	×	√	√	×	×	×	×	×
20	Zhu et al. (104)	√	×	√	×	×	×	×	×	×
21	Park et al. (105)	√	×	√	×	×	×	×	×	×
22	Jain et al. (90)	√	×	√	×	×	×	×	×	×
23	Savaş et al. (91)	√	×	×	×	×	×	×	×	×
24	Washim et al. (92)	√	×	√	×	×	×	×	×	×
25	Sudha et al. (93)	√	×	√	×	×	×	×	×	×
26	Groves et al. (106)	√	×	√	×	×	×	×	×	×
27	Saba et al. (94)	√	×	×	×	×	×	×	×	×
28	Tsakanikas et al. (107)	√	×	×	×	×	×	×	×	×
29	Koktzoglou et al. (95)	√	×	×	×	×	×	×	×	×
30	Flores et al. (108)	√	×	×	×	×	×	×	×	×
31	Luo et al. (96)	√	×	×	×	×	×	×	×	×
32	Xiao et al. (97)	√	×	×	×	×	×	×	×	×

CVD, cardiovascular disease; SN, serial number; SA, statistical analysis; PA, power analysis; V, validation; HA, Hazard analysis; P TT, Paired t-test; MWT, Mann-Whitney test; WT, Wilcoxon test; KWT, Kruskal–Wallis test; DOR, diagnostic odds ratio.