Table 2 EchoNext model performance by patient subgroups from the NYP multicentre test set

From: Detecting structural heart disease from electrocardiograms using AI

 

n

Percentage SHD (%)

AUROC

AUPRC

F1 score

Odds ratio

Age groups

 18–59

17,730

21.8

85.7 [84.3–87.1]

69.5 [66.5–72.1]

58.7 [57.2–60.1]

19.1 [17.2–21.2]

 60–69

9,745

34.0

82.1 [80.4–84.0]

74.4 [71.4–77.3]

63.1 [61.7–64.4]

10.6 [9.6–11.7]

 70–79

9,108

43.8

80.5 [78.7–82.4]

78.2 [75.6–80.5]

67.7 [66.4–69.0]

7.9 [7.2–8.7]

 80+

8,136

62.0

78.9 [77.0–80.8]

86.0 [84.1–87.8]

77.0 [76.0–77.9]

6.5 [5.9–7.2]

Sex

 Female

23,280

31.7

85.6 [84.6–86.6]

75.4 [73.2–77.2]

65.4 [64.5–66.3]

13.4 [12.5–14.4]

 Male

21,439

41.2

84.4 [83.4–85.4]

80.9 [79.4–82.4]

69.9 [69.1–70.7]

11.6 [10.8–12.4]

Race/ethnicity

 Hispanic

9,015

32.2

85.1 [83.4–86.7]

76.0 [73.0–79.0]

64.6 [63.1–66.1]

13.0 [11.5–14.5]

 White

15,841

35.3

84.8 [83.6–86.0]

76.6 [74.5–78.7]

67.3 [66.3–68.3]

12.2 [11.2–13.2]

 Black

6,479

40.7

85.2 [83.3–87.0]

82.1 [79.6–84.5]

70.6 [69.1–72.0]

13.5 [11.8–15.3]

 Asian

2,775

36.9

84.6 [81.6–87.4]

77.3 [72.1–82.3]

67.8 [65.4–70.2]

11.4 [9.5–13.7]

 Other

4,054

35.2

85.3 [82.9–87.6]

77.6 [73.2–81.9]

66.8 [64.5–68.9]

12.6 [10.6–15.0]

 Unknown

6,555

40.2

86.2 [84.4–88.0]

82.1 [79.5–84.8]

70.5 [69.0–71.9]

13.1 [11.5–14.8]

Clinical context

 Emergency

14,807

34.7

84.1 [82.9–85.4]

76.0 [73.7–78.1]

65.2 [64.1–66.3]

11.1 [10.2–12.1]

 Inpatient

17,446

45.9

84.1 [82.8–85.3]

82.5 [80.8–84.1]

72.8 [72.0–73.6]

10.6 [9.9–11.4]

 Outpatient

11,248

22.4

84.3 [82.6–86.1]

68.0 [64.4–71.3]

55.7 [53.7–57.5]

17.7 [15.6–20.2]

 Procedural

891

50.5

82.6 [77.0–87.9]

83.7 [77.0–89.6]

71.1 [67.4–74.4]

10.3 [7.4–14.4]

 Unknown

327

29.7

79.1 [67.3–89.4]

68.1 [48.6–83.3]

55.6 [45.8–64.2]

9.2 [4.9–16.7]

Hospital

 Weill Cornell

15,736

32.5

85.5 [84.2–86.7]

76.9 [74.6–78.9]

65.7 [64.5–66.8]

13.4 [12.3–14.6]

 Brooklyn Methodist

889

40.4

85.4 [80.1–90.4]

82.5 [75.0–89.1]

71.5 [67.8–75.4]

16.8 [11.7–23.6]

 Queens

2,558

39.9

81.7 [78.6–84.8]

75.7 [70.3–80.6]

65.9 [63.4–68.4]

8.8 [7.2–10.7]

 Lower Manhattan

1,777

29.3

86.5 [82.7–89.9]

73.6 [65.8–80.8]

66.5 [63.3–69.8]

12.7 [9.9–16.0]

 Westchester

2,270

33.3

84.5 [80.9–87.8]

74.7 [68.3–80.3]

67.2 [64.3–70.1]

12.5 [10.1–15.5]

 CUIMC

16,626

40.9

85.1 [83.9–86.2]

81.3 [79.3–83.0]

69.8 [68.7–70.7]

12.4 [11.5–13.4]

 Allen

3,612

38.2

85.2 [82.4–87.6]

79.2 [74.4–83.1]

69.5 [67.4–71.5]

12.6 [10.7–15.0]

 Hudson Valley

1,103

22.0

86.3 [81.0–91.2]

66.0 [52.8–77.8]

62.7 [57.6–67.7]

14.6 [10.3–20.3]