Table 2 Patient-level demographic information (ECG cohort).

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

 

BWH

MGH

UCSF

Case

Control

Case

Control

Case

Control

Number of patients

480

7,457

52

430

65

725

Age, years ± SD

70.8 ± 9.8

62.2 ± 13.2

71.4 ± 9.4

73.7 ± 8.8

65.5 ± 11.1

67.5 ± 11.7

 Age Groups

  ≤30, n (%)

0 (0.0)

81 (1.1)

0 (0.0)

1 (0.2)

0 (0.0)

0 (0.0)

  30–50, n (%)

13 (2.7)

1,195 (16.0)

2 (3.8)

6 (1.4)

5 (7.7)

68 (9.4)

  50–70, n (%)

185 (38.5)

3,929 (52.7)

19 (36.5)

133 (30.9)

34 (52.3)

278 (38.3)

  70–90, n (%)

277 (57.7)

2,198 (29.5)

31 (59.6)

290 (67.4)

26 (40.0)

379 (52.3)

  >90, n (%)

5 (1.0)

54 (0.7)

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

 Female, n (%)

91 (19.0)

2,908 (39.0)

9 (17.3)

48 (11.2)

16 (24.6)

132 (18.2)

Amyloid type

 ATTR, n (%)

283 (59.0)

N/A

31 (59.6)

N/A

10 (15.4)

N/A

 AL, n (%)

165 (34.4)

N/A

15 (38.8)

N/A

38 (58.5)

N/A

 Other, n (%)

32 (11.5)

N/A

6 (3.8)

N/A

17 (26.2)

N/A

  1. BWH Brigham and Women’s Hospital, MGH Massachusetts General Hospital, UCSF University of California San Francisco. Age on patient level is calculated as mean of all studies for a patient. N/A = not applicable. N represents the number of patients.
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