Table 3 Study-level demographic information (Echocardiogram cohort).

From: Artificial intelligence-enabled fully automated detection of cardiac amyloidosis using electrocardiograms and echocardiograms

 

BWH

MGH

UCSF

NW

Keio

Case

Control

Case

Control

Case

Control

Case

Control

Case

Control

Number of studies

1486

3079

110

331

46

323

103

126

118

121

Age, years ± SD

72.9 ± 8.8

65.4 ± 14.5

71.9 ± 9.7

70.2 ± 12.3

70.3 ± 11.6

67.0 ± 12.8

75.1 ± 7.4

74.7 ± 7.6

74.2 ± 8.2

73.8 ± 8.5

  Age Groups

   ≤30, n (%)

0 (0.0)

70 (2.3)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

   30–50, n (%)

25 (1.7)

381 (12.4)

7 (6.4)

36 (10.9)

3 (6.5)

37 (11.5)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

   50–70, n (%)

477 (32.1)

1363 (44.3)

34 (30.9)

108 (32.6)

15 (32.6)

137 (42.4)

27 (26.2)

39 (31.0)

30 (25.4)

34 (28.1)

   70–90, n (%)

971 (65.3)

1228 (39.9)

69 (62.7)

181 (54.7)

28 (60.9)

149 (46.1)

75 (72.8)

87 (69.0)

86 (72.9)

83 (68.6)

   >90, n (%)

13 (0.9)

37 (1.2)

0 (0.0)

6 (1.8)

0 (0.0)

0 (0.0)

1 (1.0)

0 (0.0)

2 (1.7)

4 (3.3)

   HR, bpm ± SD

74.5 ± 18.4

71.1 ± 18.7

79.4 ± 21.5

71.4 ± 16.1

78.0 ± 14.7

74.1 ± 21.9

74.7 ± 19.5

63.8 ± 9.9

71.8 ± 17.0

69.4 ± 15.4

Manufacture

   Philips, n (%)

272 (18.3)

2340 (76.0)

105 (95.5)

313 (94.6)

44 (97.5)

312 (96.6)

0 (0.0)

0 (0.0)

48 (40.7)

38 (31.4)

  GE, n (%)

1204 (81.0)

724 (23.5)

5 (4.5)

18 (5.4)

2 (4.3)

11 (3.4)

103 (100.0)

126 (100.0)

47 (39.8)

57 (47.1)

  Agilent, n (%)

3 (0.2)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

  SonoSite, n (%)

1 (0.1)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

  SIEMENS, n (%)

6 (0.4)

15 (0.5)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

 TOSHIBA, n (%)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

23 (19.5)

26 (21.5)

  1. HR heart rate, BWH Brigham and Women’s Hospital, MGH Massachusetts General Hospital, UCSF University of California San Francisco, NW Northwestern University, Keio: Keio University Hospital. N represents the number of studies.
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